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Finding the Fourth Proportional to 658,228.52, 987,342.80 and 159,592.52

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Solution

The fourth proportional to 658,228.52, 987,342.80 and 159,592.52 is: 239,388.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,228.52 : 987,342.80 = 159,592.52 : x
  2. Step 2: Convert to fraction form
    658,228.52/987,342.80 = 159,592.52/x
  3. Step 3: Cross multiply
    658,228.52x = 987,342.80 × 159,592.52
  4. Step 4: Simplify right side
    658,228.52x = 157,572,525,555.86
  5. Step 5: Solve for x
    x = 157,572,525,555.86/658,228.52
  6. Step 6: Final answer
    x = 239,388.78

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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.