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Finding the Fourth Proportional to 378,268.32, 567,401.44 and 112,049.59

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Solution

The fourth proportional to 378,268.32, 567,401.44 and 112,049.59 is: 168,074.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,268.32 : 567,401.44 = 112,049.59 : x
  2. Step 2: Convert to fraction form
    378,268.32/567,401.44 = 112,049.59/x
  3. Step 3: Cross multiply
    378,268.32x = 567,401.44 × 112,049.59
  4. Step 4: Simplify right side
    378,268.32x = 63,577,098,717.41
  5. Step 5: Solve for x
    x = 63,577,098,717.41/378,268.32
  6. Step 6: Final answer
    x = 168,074.08

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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.