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Finding the Fourth Proportional to 304,691.40, 456,757.20 and 104,964.30

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Solution

The fourth proportional to 304,691.40, 456,757.20 and 104,964.30 is: 157,350.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,691.40 : 456,757.20 = 104,964.30 : x
  2. Step 2: Convert to fraction form
    304,691.40/456,757.20 = 104,964.30/x
  3. Step 3: Cross multiply
    304,691.40x = 456,757.20 × 104,964.30
  4. Step 4: Simplify right side
    304,691.40x = 47,943,199,767.96
  5. Step 5: Solve for x
    x = 47,943,199,767.96/304,691.40
  6. Step 6: Final answer
    x = 157,350.03

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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.