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Finding the Fourth Proportional to 577,363.20, 866,064.60 and 178,000.80

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Solution

The fourth proportional to 577,363.20, 866,064.60 and 178,000.80 is: 267,007.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,363.20 : 866,064.60 = 178,000.80 : x
  2. Step 2: Convert to fraction form
    577,363.20/866,064.60 = 178,000.80/x
  3. Step 3: Cross multiply
    577,363.20x = 866,064.60 × 178,000.80
  4. Step 4: Simplify right side
    577,363.20x = 154,160,191,651.68
  5. Step 5: Solve for x
    x = 154,160,191,651.68/577,363.20
  6. Step 6: Final answer
    x = 267,007.30

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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.