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Finding the Fourth Proportional to 304,687.20, 456,253.20 and 242,479.20

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Solution

The fourth proportional to 304,687.20, 456,253.20 and 242,479.20 is: 363,099.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,687.20 : 456,253.20 = 242,479.20 : x
  2. Step 2: Convert to fraction form
    304,687.20/456,253.20 = 242,479.20/x
  3. Step 3: Cross multiply
    304,687.20x = 456,253.20 × 242,479.20
  4. Step 4: Simplify right side
    304,687.20x = 110,631,910,933.44
  5. Step 5: Solve for x
    x = 110,631,910,933.44/304,687.20
  6. Step 6: Final answer
    x = 363,099.96

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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.