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Finding the Fourth Proportional to 408,167.40, 612,251.10 and 363,066.60

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Solution

The fourth proportional to 408,167.40, 612,251.10 and 363,066.60 is: 544,599.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,167.40 : 612,251.10 = 363,066.60 : x
  2. Step 2: Convert to fraction form
    408,167.40/612,251.10 = 363,066.60/x
  3. Step 3: Cross multiply
    408,167.40x = 612,251.10 × 363,066.60
  4. Step 4: Simplify right side
    408,167.40x = 222,287,925,223.26
  5. Step 5: Solve for x
    x = 222,287,925,223.26/408,167.40
  6. Step 6: Final answer
    x = 544,599.90

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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.