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Finding the Fourth Proportional to 474,211.43, 654,474.99 and 267,521.86

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Solution

The fourth proportional to 474,211.43, 654,474.99 and 267,521.86 is: 369,215.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,211.43 : 654,474.99 = 267,521.86 : x
  2. Step 2: Convert to fraction form
    474,211.43/654,474.99 = 267,521.86/x
  3. Step 3: Cross multiply
    474,211.43x = 654,474.99 × 267,521.86
  4. Step 4: Simplify right side
    474,211.43x = 175,086,363,283.35
  5. Step 5: Solve for x
    x = 175,086,363,283.35/474,211.43
  6. Step 6: Final answer
    x = 369,215.82

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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.