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Finding the Fourth Proportional to 577,374.10, 866,061.15 and 177,979.30

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Solution

The fourth proportional to 577,374.10, 866,061.15 and 177,979.30 is: 266,968.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,374.10 : 866,061.15 = 177,979.30 : x
  2. Step 2: Convert to fraction form
    577,374.10/866,061.15 = 177,979.30/x
  3. Step 3: Cross multiply
    577,374.10x = 866,061.15 × 177,979.30
  4. Step 4: Simplify right side
    577,374.10x = 154,140,957,234.20
  5. Step 5: Solve for x
    x = 154,140,957,234.20/577,374.10
  6. Step 6: Final answer
    x = 266,968.95

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Similar ratio
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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.