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Finding the Fourth Proportional to 574,858.20, 862,287.30 and 574,858.20

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Solution

The fourth proportional to 574,858.20, 862,287.30 and 574,858.20 is: 862,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,858.20 : 862,287.30 = 574,858.20 : x
  2. Step 2: Convert to fraction form
    574,858.20/862,287.30 = 574,858.20/x
  3. Step 3: Cross multiply
    574,858.20x = 862,287.30 × 574,858.20
  4. Step 4: Simplify right side
    574,858.20x = 495,692,925,160.86
  5. Step 5: Solve for x
    x = 495,692,925,160.86/574,858.20
  6. Step 6: Final answer
    x = 862,287.30

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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.