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Finding the Fourth Proportional to 658,108.50, 987,162.89 and 237,384.33

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Solution

The fourth proportional to 658,108.50, 987,162.89 and 237,384.33 is: 356,076.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,108.50 : 987,162.89 = 237,384.33 : x
  2. Step 2: Convert to fraction form
    658,108.50/987,162.89 = 237,384.33/x
  3. Step 3: Cross multiply
    658,108.50x = 987,162.89 × 237,384.33
  4. Step 4: Simplify right side
    658,108.50x = 234,337,000,056.59
  5. Step 5: Solve for x
    x = 234,337,000,056.59/658,108.50
  6. Step 6: Final answer
    x = 356,076.54

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Similar ratio
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1.5x scale

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.