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Finding the Fourth Proportional to 574,180.80, 861,271.20 and 174,818.40

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Solution

The fourth proportional to 574,180.80, 861,271.20 and 174,818.40 is: 262,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,180.80 : 861,271.20 = 174,818.40 : x
  2. Step 2: Convert to fraction form
    574,180.80/861,271.20 = 174,818.40/x
  3. Step 3: Cross multiply
    574,180.80x = 861,271.20 × 174,818.40
  4. Step 4: Simplify right side
    574,180.80x = 150,566,053,150.08
  5. Step 5: Solve for x
    x = 150,566,053,150.08/574,180.80
  6. Step 6: Final answer
    x = 262,227.60

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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.