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Finding the Fourth Proportional to 627,726.60, 940,553.10 and 534,414.60

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Solution

The fourth proportional to 627,726.60, 940,553.10 and 534,414.60 is: 800,739.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,726.60 : 940,553.10 = 534,414.60 : x
  2. Step 2: Convert to fraction form
    627,726.60/940,553.10 = 534,414.60/x
  3. Step 3: Cross multiply
    627,726.60x = 940,553.10 × 534,414.60
  4. Step 4: Simplify right side
    627,726.60x = 502,645,308,715.26
  5. Step 5: Solve for x
    x = 502,645,308,715.26/627,726.60
  6. Step 6: Final answer
    x = 800,739.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.