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Finding the Fourth Proportional to 304,291.83, 456,479.26 and 126,757.31

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Solution

The fourth proportional to 304,291.83, 456,479.26 and 126,757.31 is: 190,153.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,291.83 : 456,479.26 = 126,757.31 : x
  2. Step 2: Convert to fraction form
    304,291.83/456,479.26 = 126,757.31/x
  3. Step 3: Cross multiply
    304,291.83x = 456,479.26 × 126,757.31
  4. Step 4: Simplify right side
    304,291.83x = 57,862,083,892.70
  5. Step 5: Solve for x
    x = 57,862,083,892.70/304,291.83
  6. Step 6: Final answer
    x = 190,153.26

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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.