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Finding the Fourth Proportional to 539,555.67, 744,582.51 and 297,837.90

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Solution

The fourth proportional to 539,555.67, 744,582.51 and 297,837.90 is: 411,013.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,555.67 : 744,582.51 = 297,837.90 : x
  2. Step 2: Convert to fraction form
    539,555.67/744,582.51 = 297,837.90/x
  3. Step 3: Cross multiply
    539,555.67x = 744,582.51 × 297,837.90
  4. Step 4: Simplify right side
    539,555.67x = 221,764,891,155.13
  5. Step 5: Solve for x
    x = 221,764,891,155.13/539,555.67
  6. Step 6: Final answer
    x = 411,013.92

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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.