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Finding the Fourth Proportional to 372,512.50, 514,067.28 and 202,747.84

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Solution

The fourth proportional to 372,512.50, 514,067.28 and 202,747.84 is: 279,792.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,512.50 : 514,067.28 = 202,747.84 : x
  2. Step 2: Convert to fraction form
    372,512.50/514,067.28 = 202,747.84/x
  3. Step 3: Cross multiply
    372,512.50x = 514,067.28 × 202,747.84
  4. Step 4: Simplify right side
    372,512.50x = 104,226,030,634.68
  5. Step 5: Solve for x
    x = 104,226,030,634.68/372,512.50
  6. Step 6: Final answer
    x = 279,792.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.