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Finding the Fourth Proportional to 591,981,926.80, 887,972,890.20 and 582,912,000.40

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Solution

The fourth proportional to 591,981,926.80, 887,972,890.20 and 582,912,000.40 is: 874,368,000.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,981,926.80 : 887,972,890.20 = 582,912,000.40 : x
  2. Step 2: Convert to fraction form
    591,981,926.80/887,972,890.20 = 582,912,000.40/x
  3. Step 3: Cross multiply
    591,981,926.80x = 887,972,890.20 × 582,912,000.40
  4. Step 4: Simplify right side
    591,981,926.80x = 517,610,053,727,451,584
  5. Step 5: Solve for x
    x = 517,610,053,727,451,584/591,981,926.80
  6. Step 6: Final answer
    x = 874,368,000.60

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.