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Finding the Fourth Proportional to 361,282.76, 498,627.06 and 218,063.24

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Solution

The fourth proportional to 361,282.76, 498,627.06 and 218,063.24 is: 300,961.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,282.76 : 498,627.06 = 218,063.24 : x
  2. Step 2: Convert to fraction form
    361,282.76/498,627.06 = 218,063.24/x
  3. Step 3: Cross multiply
    361,282.76x = 498,627.06 × 218,063.24
  4. Step 4: Simplify right side
    361,282.76x = 108,732,232,255.27
  5. Step 5: Solve for x
    x = 108,732,232,255.27/361,282.76
  6. Step 6: Final answer
    x = 300,961.59

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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.