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Finding the Fourth Proportional to 475,549.60, 712,287.60 and 392,605.60

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Solution

The fourth proportional to 475,549.60, 712,287.60 and 392,605.60 is: 588,052.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,549.60 : 712,287.60 = 392,605.60 : x
  2. Step 2: Convert to fraction form
    475,549.60/712,287.60 = 392,605.60/x
  3. Step 3: Cross multiply
    475,549.60x = 712,287.60 × 392,605.60
  4. Step 4: Simplify right side
    475,549.60x = 279,648,100,570.56
  5. Step 5: Solve for x
    x = 279,648,100,570.56/475,549.60
  6. Step 6: Final answer
    x = 588,052.44

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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.