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Finding the Fourth Proportional to 307,817.80, 461,726.70 and 244,832.20

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Solution

The fourth proportional to 307,817.80, 461,726.70 and 244,832.20 is: 367,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,817.80 : 461,726.70 = 244,832.20 : x
  2. Step 2: Convert to fraction form
    307,817.80/461,726.70 = 244,832.20/x
  3. Step 3: Cross multiply
    307,817.80x = 461,726.70 × 244,832.20
  4. Step 4: Simplify right side
    307,817.80x = 113,045,563,759.74
  5. Step 5: Solve for x
    x = 113,045,563,759.74/307,817.80
  6. Step 6: Final answer
    x = 367,248.30

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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.