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Finding the Fourth Proportional to 267,309.60, 400,964.40 and 119,565.60

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Solution

The fourth proportional to 267,309.60, 400,964.40 and 119,565.60 is: 179,348.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,309.60 : 400,964.40 = 119,565.60 : x
  2. Step 2: Convert to fraction form
    267,309.60/400,964.40 = 119,565.60/x
  3. Step 3: Cross multiply
    267,309.60x = 400,964.40 × 119,565.60
  4. Step 4: Simplify right side
    267,309.60x = 47,941,549,064.64
  5. Step 5: Solve for x
    x = 47,941,549,064.64/267,309.60
  6. Step 6: Final answer
    x = 179,348.40

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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.