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Finding the Fourth Proportional to 361,100.76, 498,318.99 and 199,955.76

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Solution

The fourth proportional to 361,100.76, 498,318.99 and 199,955.76 is: 275,938.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,100.76 : 498,318.99 = 199,955.76 : x
  2. Step 2: Convert to fraction form
    361,100.76/498,318.99 = 199,955.76/x
  3. Step 3: Cross multiply
    361,100.76x = 498,318.99 × 199,955.76
  4. Step 4: Simplify right side
    361,100.76x = 99,641,752,367.88
  5. Step 5: Solve for x
    x = 99,641,752,367.88/361,100.76
  6. Step 6: Final answer
    x = 275,938.92

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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.