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Finding the Fourth Proportional to 267,145.20, 400,717.80 and 167,612.40

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Solution

The fourth proportional to 267,145.20, 400,717.80 and 167,612.40 is: 251,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,145.20 : 400,717.80 = 167,612.40 : x
  2. Step 2: Convert to fraction form
    267,145.20/400,717.80 = 167,612.40/x
  3. Step 3: Cross multiply
    267,145.20x = 400,717.80 × 167,612.40
  4. Step 4: Simplify right side
    267,145.20x = 67,165,272,180.72
  5. Step 5: Solve for x
    x = 67,165,272,180.72/267,145.20
  6. Step 6: Final answer
    x = 251,418.60

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1.5x scale

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.