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Finding the Fourth Proportional to 534,298.88, 737,319.28 and 292,591.68

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Solution

The fourth proportional to 534,298.88, 737,319.28 and 292,591.68 is: 403,769.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,298.88 : 737,319.28 = 292,591.68 : x
  2. Step 2: Convert to fraction form
    534,298.88/737,319.28 = 292,591.68/x
  3. Step 3: Cross multiply
    534,298.88x = 737,319.28 × 292,591.68
  4. Step 4: Simplify right side
    534,298.88x = 215,733,486,831.59
  5. Step 5: Solve for x
    x = 215,733,486,831.59/534,298.88
  6. Step 6: Final answer
    x = 403,769.30

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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.