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Finding the Fourth Proportional to 658,108.46, 986,958.56 and 237,329.66

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Solution

The fourth proportional to 658,108.46, 986,958.56 and 237,329.66 is: 355,920.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,108.46 : 986,958.56 = 237,329.66 : x
  2. Step 2: Convert to fraction form
    658,108.46/986,958.56 = 237,329.66/x
  3. Step 3: Cross multiply
    658,108.46x = 986,958.56 × 237,329.66
  4. Step 4: Simplify right side
    658,108.46x = 234,234,539,478.89
  5. Step 5: Solve for x
    x = 234,234,539,478.89/658,108.46
  6. Step 6: Final answer
    x = 355,920.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.