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Finding the Fourth Proportional to 351,002.76, 484,383.92 and 198,073.46

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Solution

The fourth proportional to 351,002.76, 484,383.92 and 198,073.46 is: 273,341.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,002.76 : 484,383.92 = 198,073.46 : x
  2. Step 2: Convert to fraction form
    351,002.76/484,383.92 = 198,073.46/x
  3. Step 3: Cross multiply
    351,002.76x = 484,383.92 × 198,073.46
  4. Step 4: Simplify right side
    351,002.76x = 95,943,595,590.48
  5. Step 5: Solve for x
    x = 95,943,595,590.48/351,002.76
  6. Step 6: Final answer
    x = 273,341.43

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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.