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Finding the Fourth Proportional to 539,444.54, 744,429.78 and 297,727.10

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Solution

The fourth proportional to 539,444.54, 744,429.78 and 297,727.10 is: 410,861.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,444.54 : 744,429.78 = 297,727.10 : x
  2. Step 2: Convert to fraction form
    539,444.54/744,429.78 = 297,727.10/x
  3. Step 3: Cross multiply
    539,444.54x = 744,429.78 × 297,727.10
  4. Step 4: Simplify right side
    539,444.54x = 221,636,921,414.11
  5. Step 5: Solve for x
    x = 221,636,921,414.11/539,444.54
  6. Step 6: Final answer
    x = 410,861.37

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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.