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Finding the Fourth Proportional to 658,649.88, 987,384.33 and 237,827.34

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Solution

The fourth proportional to 658,649.88, 987,384.33 and 237,827.34 is: 356,527.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,649.88 : 987,384.33 = 237,827.34 : x
  2. Step 2: Convert to fraction form
    658,649.88/987,384.33 = 237,827.34/x
  3. Step 3: Cross multiply
    658,649.88x = 987,384.33 × 237,827.34
  4. Step 4: Simplify right side
    658,649.88x = 234,826,988,761.58
  5. Step 5: Solve for x
    x = 234,826,988,761.58/658,649.88
  6. Step 6: Final answer
    x = 356,527.79

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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.