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Finding the Fourth Proportional to 267,141.24, 400,619.58 and 77,550.18

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Solution

The fourth proportional to 267,141.24, 400,619.58 and 77,550.18 is: 116,298.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,141.24 : 400,619.58 = 77,550.18 : x
  2. Step 2: Convert to fraction form
    267,141.24/400,619.58 = 77,550.18/x
  3. Step 3: Cross multiply
    267,141.24x = 400,619.58 × 77,550.18
  4. Step 4: Simplify right side
    267,141.24x = 31,068,120,540.52
  5. Step 5: Solve for x
    x = 31,068,120,540.52/267,141.24
  6. Step 6: Final answer
    x = 116,298.48

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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.