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Finding the Fourth Proportional to 304,132.80, 456,296.40 and 104,581.20

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Solution

The fourth proportional to 304,132.80, 456,296.40 and 104,581.20 is: 156,905.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,132.80 : 456,296.40 = 104,581.20 : x
  2. Step 2: Convert to fraction form
    304,132.80/456,296.40 = 104,581.20/x
  3. Step 3: Cross multiply
    304,132.80x = 456,296.40 × 104,581.20
  4. Step 4: Simplify right side
    304,132.80x = 47,720,025,067.68
  5. Step 5: Solve for x
    x = 47,720,025,067.68/304,132.80
  6. Step 6: Final answer
    x = 156,905.22

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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.