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Finding the Fourth Proportional to 602,517.89, 903,772.94 and 153,234.88

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Solution

The fourth proportional to 602,517.89, 903,772.94 and 153,234.88 is: 229,851.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,517.89 : 903,772.94 = 153,234.88 : x
  2. Step 2: Convert to fraction form
    602,517.89/903,772.94 = 153,234.88/x
  3. Step 3: Cross multiply
    602,517.89x = 903,772.94 × 153,234.88
  4. Step 4: Simplify right side
    602,517.89x = 138,489,536,948.30
  5. Step 5: Solve for x
    x = 138,489,536,948.30/602,517.89
  6. Step 6: Final answer
    x = 229,851.33

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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.