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Finding the Fourth Proportional to 527,734.38, 791,650.86 and 148,654.49

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Solution

The fourth proportional to 527,734.38, 791,650.86 and 148,654.49 is: 222,995.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,734.38 : 791,650.86 = 148,654.49 : x
  2. Step 2: Convert to fraction form
    527,734.38/791,650.86 = 148,654.49/x
  3. Step 3: Cross multiply
    527,734.38x = 791,650.86 × 148,654.49
  4. Step 4: Simplify right side
    527,734.38x = 117,682,457,433.30
  5. Step 5: Solve for x
    x = 117,682,457,433.30/527,734.38
  6. Step 6: Final answer
    x = 222,995.62

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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.