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Finding the Fourth Proportional to 653,817.06, 980,724.15 and 174,044.97

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Solution

The fourth proportional to 653,817.06, 980,724.15 and 174,044.97 is: 261,067.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,817.06 : 980,724.15 = 174,044.97 : x
  2. Step 2: Convert to fraction form
    653,817.06/980,724.15 = 174,044.97/x
  3. Step 3: Cross multiply
    653,817.06x = 980,724.15 × 174,044.97
  4. Step 4: Simplify right side
    653,817.06x = 170,690,104,394.80
  5. Step 5: Solve for x
    x = 170,690,104,394.80/653,817.06
  6. Step 6: Final answer
    x = 261,067.07

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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.