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Finding the Fourth Proportional to 440,441.43, 660,519.99 and 124,813.59

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Solution

The fourth proportional to 440,441.43, 660,519.99 and 124,813.59 is: 187,180.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,441.43 : 660,519.99 = 124,813.59 : x
  2. Step 2: Convert to fraction form
    440,441.43/660,519.99 = 124,813.59/x
  3. Step 3: Cross multiply
    440,441.43x = 660,519.99 × 124,813.59
  4. Step 4: Simplify right side
    440,441.43x = 82,441,871,218.66
  5. Step 5: Solve for x
    x = 82,441,871,218.66/440,441.43
  6. Step 6: Final answer
    x = 187,180.10

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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.