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Finding the Fourth Proportional to 539,523.74, 744,528.62 and 297,801.11

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Solution

The fourth proportional to 539,523.74, 744,528.62 and 297,801.11 is: 410,957.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,523.74 : 744,528.62 = 297,801.11 : x
  2. Step 2: Convert to fraction form
    539,523.74/744,528.62 = 297,801.11/x
  3. Step 3: Cross multiply
    539,523.74x = 744,528.62 × 297,801.11
  4. Step 4: Simplify right side
    539,523.74x = 221,721,444,251.12
  5. Step 5: Solve for x
    x = 221,721,444,251.12/539,523.74
  6. Step 6: Final answer
    x = 410,957.72

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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.