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Finding the Fourth Proportional to 550,200.30, 825,300.45 and 474,092.70

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Solution

The fourth proportional to 550,200.30, 825,300.45 and 474,092.70 is: 711,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,200.30 : 825,300.45 = 474,092.70 : x
  2. Step 2: Convert to fraction form
    550,200.30/825,300.45 = 474,092.70/x
  3. Step 3: Cross multiply
    550,200.30x = 825,300.45 × 474,092.70
  4. Step 4: Simplify right side
    550,200.30x = 391,268,918,651.72
  5. Step 5: Solve for x
    x = 391,268,918,651.72/550,200.30
  6. Step 6: Final answer
    x = 711,139.05

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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.