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Finding the Fourth Proportional to 534,194.72, 737,160.72 and 292,431.02

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Solution

The fourth proportional to 534,194.72, 737,160.72 and 292,431.02 is: 403,539.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,194.72 : 737,160.72 = 292,431.02 : x
  2. Step 2: Convert to fraction form
    534,194.72/737,160.72 = 292,431.02/x
  3. Step 3: Cross multiply
    534,194.72x = 737,160.72 × 292,431.02
  4. Step 4: Simplify right side
    534,194.72x = 215,568,661,253.53
  5. Step 5: Solve for x
    x = 215,568,661,253.53/534,194.72
  6. Step 6: Final answer
    x = 403,539.48

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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.