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Finding the Fourth Proportional to 361,528.92, 498,874.86 and 200,380.68

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Solution

The fourth proportional to 361,528.92, 498,874.86 and 200,380.68 is: 276,505.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,528.92 : 498,874.86 = 200,380.68 : x
  2. Step 2: Convert to fraction form
    361,528.92/498,874.86 = 200,380.68/x
  3. Step 3: Cross multiply
    361,528.92x = 498,874.86 × 200,380.68
  4. Step 4: Simplify right side
    361,528.92x = 99,964,883,681.70
  5. Step 5: Solve for x
    x = 99,964,883,681.70/361,528.92
  6. Step 6: Final answer
    x = 276,505.91

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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.