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Finding the Fourth Proportional to 410,167.40, 615,251.10 and 365,930.60

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Solution

The fourth proportional to 410,167.40, 615,251.10 and 365,930.60 is: 548,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,167.40 : 615,251.10 = 365,930.60 : x
  2. Step 2: Convert to fraction form
    410,167.40/615,251.10 = 365,930.60/x
  3. Step 3: Cross multiply
    410,167.40x = 615,251.10 × 365,930.60
  4. Step 4: Simplify right side
    410,167.40x = 225,139,204,173.66
  5. Step 5: Solve for x
    x = 225,139,204,173.66/410,167.40
  6. Step 6: Final answer
    x = 548,895.90

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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.