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Finding the Fourth Proportional to 398,167.20, 597,250.80 and 367,754.40

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Solution

The fourth proportional to 398,167.20, 597,250.80 and 367,754.40 is: 551,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,167.20 : 597,250.80 = 367,754.40 : x
  2. Step 2: Convert to fraction form
    398,167.20/597,250.80 = 367,754.40/x
  3. Step 3: Cross multiply
    398,167.20x = 597,250.80 × 367,754.40
  4. Step 4: Simplify right side
    398,167.20x = 219,641,609,603.52
  5. Step 5: Solve for x
    x = 219,641,609,603.52/398,167.20
  6. Step 6: Final answer
    x = 551,631.60

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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.