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Finding the Fourth Proportional to 329,306.96, 454,443.62 and 178,403.96

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Solution

The fourth proportional to 329,306.96, 454,443.62 and 178,403.96 is: 246,197.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,306.96 : 454,443.62 = 178,403.96 : x
  2. Step 2: Convert to fraction form
    329,306.96/454,443.62 = 178,403.96/x
  3. Step 3: Cross multiply
    329,306.96x = 454,443.62 × 178,403.96
  4. Step 4: Simplify right side
    329,306.96x = 81,074,541,404.74
  5. Step 5: Solve for x
    x = 81,074,541,404.74/329,306.96
  6. Step 6: Final answer
    x = 246,197.47

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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.