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Finding the Fourth Proportional to 539,646.22, 744,736.71 and 297,963.10

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Solution

The fourth proportional to 539,646.22, 744,736.71 and 297,963.10 is: 411,202.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,646.22 : 744,736.71 = 297,963.10 : x
  2. Step 2: Convert to fraction form
    539,646.22/744,736.71 = 297,963.10/x
  3. Step 3: Cross multiply
    539,646.22x = 744,736.71 × 297,963.10
  4. Step 4: Simplify right side
    539,646.22x = 221,904,058,795.40
  5. Step 5: Solve for x
    x = 221,904,058,795.40/539,646.22
  6. Step 6: Final answer
    x = 411,202.84

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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.