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Finding the Fourth Proportional to 361,479.28, 498,845.08 and 200,337.88

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Solution

The fourth proportional to 361,479.28, 498,845.08 and 200,337.88 is: 276,468.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,479.28 : 498,845.08 = 200,337.88 : x
  2. Step 2: Convert to fraction form
    361,479.28/498,845.08 = 200,337.88/x
  3. Step 3: Cross multiply
    361,479.28x = 498,845.08 × 200,337.88
  4. Step 4: Simplify right side
    361,479.28x = 99,937,565,775.63
  5. Step 5: Solve for x
    x = 99,937,565,775.63/361,479.28
  6. Step 6: Final answer
    x = 276,468.31

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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.