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Finding the Fourth Proportional to 702,217.73, 969,060.11 and 396,358.29

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Solution

The fourth proportional to 702,217.73, 969,060.11 and 396,358.29 is: 546,974.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,217.73 : 969,060.11 = 396,358.29 : x
  2. Step 2: Convert to fraction form
    702,217.73/969,060.11 = 396,358.29/x
  3. Step 3: Cross multiply
    702,217.73x = 969,060.11 × 396,358.29
  4. Step 4: Simplify right side
    702,217.73x = 384,095,006,125.02
  5. Step 5: Solve for x
    x = 384,095,006,125.02/702,217.73
  6. Step 6: Final answer
    x = 546,974.24

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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.