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Finding the Fourth Proportional to 363,031.20, 544,546.80 and 268,552.80

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Solution

The fourth proportional to 363,031.20, 544,546.80 and 268,552.80 is: 402,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,031.20 : 544,546.80 = 268,552.80 : x
  2. Step 2: Convert to fraction form
    363,031.20/544,546.80 = 268,552.80/x
  3. Step 3: Cross multiply
    363,031.20x = 544,546.80 × 268,552.80
  4. Step 4: Simplify right side
    363,031.20x = 146,239,567,871.04
  5. Step 5: Solve for x
    x = 146,239,567,871.04/363,031.20
  6. Step 6: Final answer
    x = 402,829.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.