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Finding the Fourth Proportional to 329,379.60, 454,545.45 and 178,476.60

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Solution

The fourth proportional to 329,379.60, 454,545.45 and 178,476.60 is: 246,298.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,379.60 : 454,545.45 = 178,476.60 : x
  2. Step 2: Convert to fraction form
    329,379.60/454,545.45 = 178,476.60/x
  3. Step 3: Cross multiply
    329,379.60x = 454,545.45 × 178,476.60
  4. Step 4: Simplify right side
    329,379.60x = 81,125,726,461.47
  5. Step 5: Solve for x
    x = 81,125,726,461.47/329,379.60
  6. Step 6: Final answer
    x = 246,298.58

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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.