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Finding the Fourth Proportional to 534,553.80, 737,684.40 and 292,845

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Solution

The fourth proportional to 534,553.80, 737,684.40 and 292,845 is: 404,126.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,553.80 : 737,684.40 = 292,845 : x
  2. Step 2: Convert to fraction form
    534,553.80/737,684.40 = 292,845/x
  3. Step 3: Cross multiply
    534,553.80x = 737,684.40 × 292,845
  4. Step 4: Simplify right side
    534,553.80x = 216,027,188,118
  5. Step 5: Solve for x
    x = 216,027,188,118/534,553.80
  6. Step 6: Final answer
    x = 404,126.19

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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.