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Finding the Fourth Proportional to 361,010.76, 498,188.88 and 199,862.34

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Solution

The fourth proportional to 361,010.76, 498,188.88 and 199,862.34 is: 275,806.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,010.76 : 498,188.88 = 199,862.34 : x
  2. Step 2: Convert to fraction form
    361,010.76/498,188.88 = 199,862.34/x
  3. Step 3: Cross multiply
    361,010.76x = 498,188.88 × 199,862.34
  4. Step 4: Simplify right side
    361,010.76x = 99,569,195,318.78
  5. Step 5: Solve for x
    x = 99,569,195,318.78/361,010.76
  6. Step 6: Final answer
    x = 275,806.72

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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.