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Finding the Fourth Proportional to 361,781.60, 499,223.04 and 200,633.84

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Solution

The fourth proportional to 361,781.60, 499,223.04 and 200,633.84 is: 276,854.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,781.60 : 499,223.04 = 200,633.84 : x
  2. Step 2: Convert to fraction form
    361,781.60/499,223.04 = 200,633.84/x
  3. Step 3: Cross multiply
    361,781.60x = 499,223.04 × 200,633.84
  4. Step 4: Simplify right side
    361,781.60x = 100,161,035,531.67
  5. Step 5: Solve for x
    x = 100,161,035,531.67/361,781.60
  6. Step 6: Final answer
    x = 276,854.97

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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.