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Finding the Fourth Proportional to 574,711.20, 862,066.80 and 148,246.20

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Solution

The fourth proportional to 574,711.20, 862,066.80 and 148,246.20 is: 222,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,711.20 : 862,066.80 = 148,246.20 : x
  2. Step 2: Convert to fraction form
    574,711.20/862,066.80 = 148,246.20/x
  3. Step 3: Cross multiply
    574,711.20x = 862,066.80 × 148,246.20
  4. Step 4: Simplify right side
    574,711.20x = 127,798,127,246.16
  5. Step 5: Solve for x
    x = 127,798,127,246.16/574,711.20
  6. Step 6: Final answer
    x = 222,369.30

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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.