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Finding the Fourth Proportional to 577,462.18, 866,193.03 and 156,799.78

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Solution

The fourth proportional to 577,462.18, 866,193.03 and 156,799.78 is: 235,199.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,462.18 : 866,193.03 = 156,799.78 : x
  2. Step 2: Convert to fraction form
    577,462.18/866,193.03 = 156,799.78/x
  3. Step 3: Cross multiply
    577,462.18x = 866,193.03 × 156,799.78
  4. Step 4: Simplify right side
    577,462.18x = 135,818,876,541.53
  5. Step 5: Solve for x
    x = 135,818,876,541.53/577,462.18
  6. Step 6: Final answer
    x = 235,199.60

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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.