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Finding the Fourth Proportional to 267,337.31, 401,005.88 and 67,658.72

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Solution

The fourth proportional to 267,337.31, 401,005.88 and 67,658.72 is: 101,488.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,337.31 : 401,005.88 = 67,658.72 : x
  2. Step 2: Convert to fraction form
    267,337.31/401,005.88 = 67,658.72/x
  3. Step 3: Cross multiply
    267,337.31x = 401,005.88 × 67,658.72
  4. Step 4: Simplify right side
    267,337.31x = 27,131,544,214.98
  5. Step 5: Solve for x
    x = 27,131,544,214.98/267,337.31
  6. Step 6: Final answer
    x = 101,488.06

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1.5x scale

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.