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Finding the Fourth Proportional to 361,060.86, 498,292.03 and 199,930.90

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Solution

The fourth proportional to 361,060.86, 498,292.03 and 199,930.90 is: 275,920.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,060.86 : 498,292.03 = 199,930.90 : x
  2. Step 2: Convert to fraction form
    361,060.86/498,292.03 = 199,930.90/x
  3. Step 3: Cross multiply
    361,060.86x = 498,292.03 × 199,930.90
  4. Step 4: Simplify right side
    361,060.86x = 99,623,974,020.73
  5. Step 5: Solve for x
    x = 99,623,974,020.73/361,060.86
  6. Step 6: Final answer
    x = 275,920.17

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1.5x scale

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.