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Finding the Fourth Proportional to 267,682.57, 369,400.96 and 165,687.73

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Solution

The fourth proportional to 267,682.57, 369,400.96 and 165,687.73 is: 228,648.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,682.57 : 369,400.96 = 165,687.73 : x
  2. Step 2: Convert to fraction form
    267,682.57/369,400.96 = 165,687.73/x
  3. Step 3: Cross multiply
    267,682.57x = 369,400.96 × 165,687.73
  4. Step 4: Simplify right side
    267,682.57x = 61,205,205,805.83
  5. Step 5: Solve for x
    x = 61,205,205,805.83/267,682.57
  6. Step 6: Final answer
    x = 228,648.45

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1.5x scale

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.