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Finding the Fourth Proportional to 539,171.53, 744,059.18 and 297,454.01

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Solution

The fourth proportional to 539,171.53, 744,059.18 and 297,454.01 is: 410,487.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,171.53 : 744,059.18 = 297,454.01 : x
  2. Step 2: Convert to fraction form
    539,171.53/744,059.18 = 297,454.01/x
  3. Step 3: Cross multiply
    539,171.53x = 744,059.18 × 297,454.01
  4. Step 4: Simplify right side
    539,171.53x = 221,323,386,768.31
  5. Step 5: Solve for x
    x = 221,323,386,768.31/539,171.53
  6. Step 6: Final answer
    x = 410,487.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.