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Finding the Fourth Proportional to 536,654.20, 804,972.92 and 137,291.52

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Solution

The fourth proportional to 536,654.20, 804,972.92 and 137,291.52 is: 205,935.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,654.20 : 804,972.92 = 137,291.52 : x
  2. Step 2: Convert to fraction form
    536,654.20/804,972.92 = 137,291.52/x
  3. Step 3: Cross multiply
    536,654.20x = 804,972.92 × 137,291.52
  4. Step 4: Simplify right side
    536,654.20x = 110,515,955,745.64
  5. Step 5: Solve for x
    x = 110,515,955,745.64/536,654.20
  6. Step 6: Final answer
    x = 205,935.14

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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.