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Finding the Fourth Proportional to 372,512.25, 514,066.92 and 202,747.59

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Solution

The fourth proportional to 372,512.25, 514,066.92 and 202,747.59 is: 279,791.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,512.25 : 514,066.92 = 202,747.59 : x
  2. Step 2: Convert to fraction form
    372,512.25/514,066.92 = 202,747.59/x
  3. Step 3: Cross multiply
    372,512.25x = 514,066.92 × 202,747.59
  4. Step 4: Simplify right side
    372,512.25x = 104,225,829,128.72
  5. Step 5: Solve for x
    x = 104,225,829,128.72/372,512.25
  6. Step 6: Final answer
    x = 279,791.68

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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.