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Finding the Fourth Proportional to 408,167.60, 571,901.20 and 408,167.60

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Solution

The fourth proportional to 408,167.60, 571,901.20 and 408,167.60 is: 571,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,167.60 : 571,901.20 = 408,167.60 : x
  2. Step 2: Convert to fraction form
    408,167.60/571,901.20 = 408,167.60/x
  3. Step 3: Cross multiply
    408,167.60x = 571,901.20 × 408,167.60
  4. Step 4: Simplify right side
    408,167.60x = 233,431,540,241.12
  5. Step 5: Solve for x
    x = 233,431,540,241.12/408,167.60
  6. Step 6: Final answer
    x = 571,901.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.