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Finding the Fourth Proportional to 267,583.35, 400,587.70 and 178,616.19

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Solution

The fourth proportional to 267,583.35, 400,587.70 and 178,616.19 is: 267,398.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,583.35 : 400,587.70 = 178,616.19 : x
  2. Step 2: Convert to fraction form
    267,583.35/400,587.70 = 178,616.19/x
  3. Step 3: Cross multiply
    267,583.35x = 400,587.70 × 178,616.19
  4. Step 4: Simplify right side
    267,583.35x = 71,551,448,734.86
  5. Step 5: Solve for x
    x = 71,551,448,734.86/267,583.35
  6. Step 6: Final answer
    x = 267,398.73

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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.