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Finding the Fourth Proportional to 329,306.52, 454,442.82 and 178,403.52

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Solution

The fourth proportional to 329,306.52, 454,442.82 and 178,403.52 is: 246,196.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,306.52 : 454,442.82 = 178,403.52 : x
  2. Step 2: Convert to fraction form
    329,306.52/454,442.82 = 178,403.52/x
  3. Step 3: Cross multiply
    329,306.52x = 454,442.82 × 178,403.52
  4. Step 4: Simplify right side
    329,306.52x = 81,074,198,726.73
  5. Step 5: Solve for x
    x = 81,074,198,726.73/329,306.52
  6. Step 6: Final answer
    x = 246,196.76

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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.