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Finding the Fourth Proportional to 658,159.44, 987,239.16 and 159,523.44

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Solution

The fourth proportional to 658,159.44, 987,239.16 and 159,523.44 is: 239,285.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,159.44 : 987,239.16 = 159,523.44 : x
  2. Step 2: Convert to fraction form
    658,159.44/987,239.16 = 159,523.44/x
  3. Step 3: Cross multiply
    658,159.44x = 987,239.16 × 159,523.44
  4. Step 4: Simplify right side
    658,159.44x = 157,487,786,905.91
  5. Step 5: Solve for x
    x = 157,487,786,905.91/658,159.44
  6. Step 6: Final answer
    x = 239,285.16

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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.