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Finding the Fourth Proportional to 361,951.70, 542,927.55 and 267,473.30

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Solution

The fourth proportional to 361,951.70, 542,927.55 and 267,473.30 is: 401,209.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,951.70 : 542,927.55 = 267,473.30 : x
  2. Step 2: Convert to fraction form
    361,951.70/542,927.55 = 267,473.30/x
  3. Step 3: Cross multiply
    361,951.70x = 542,927.55 × 267,473.30
  4. Step 4: Simplify right side
    361,951.70x = 145,218,623,459.42
  5. Step 5: Solve for x
    x = 145,218,623,459.42/361,951.70
  6. Step 6: Final answer
    x = 401,209.95

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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.