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Finding the Fourth Proportional to 304,509.43, 456,753.20 and 79,868.07

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Solution

The fourth proportional to 304,509.43, 456,753.20 and 79,868.07 is: 119,799.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,509.43 : 456,753.20 = 79,868.07 : x
  2. Step 2: Convert to fraction form
    304,509.43/456,753.20 = 79,868.07/x
  3. Step 3: Cross multiply
    304,509.43x = 456,753.20 × 79,868.07
  4. Step 4: Simplify right side
    304,509.43x = 36,479,996,150.98
  5. Step 5: Solve for x
    x = 36,479,996,150.98/304,509.43
  6. Step 6: Final answer
    x = 119,799.23

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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.