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Finding the Fourth Proportional to 539,616.76, 744,651.57 and 297,894.13

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Solution

The fourth proportional to 539,616.76, 744,651.57 and 297,894.13 is: 411,083.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,616.76 : 744,651.57 = 297,894.13 : x
  2. Step 2: Convert to fraction form
    539,616.76/744,651.57 = 297,894.13/x
  3. Step 3: Cross multiply
    539,616.76x = 744,651.57 × 297,894.13
  4. Step 4: Simplify right side
    539,616.76x = 221,827,331,598.28
  5. Step 5: Solve for x
    x = 221,827,331,598.28/539,616.76
  6. Step 6: Final answer
    x = 411,083.10

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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.