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Finding the Fourth Proportional to 543,769.92, 815,654.88 and 169,824.96

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Solution

The fourth proportional to 543,769.92, 815,654.88 and 169,824.96 is: 254,737.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,769.92 : 815,654.88 = 169,824.96 : x
  2. Step 2: Convert to fraction form
    543,769.92/815,654.88 = 169,824.96/x
  3. Step 3: Cross multiply
    543,769.92x = 815,654.88 × 169,824.96
  4. Step 4: Simplify right side
    543,769.92x = 138,518,557,369.81
  5. Step 5: Solve for x
    x = 138,518,557,369.81/543,769.92
  6. Step 6: Final answer
    x = 254,737.44

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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.