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Finding the Fourth Proportional to 440,480.37, 660,720.20 and 124,940.01

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Solution

The fourth proportional to 440,480.37, 660,720.20 and 124,940.01 is: 187,409.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,480.37 : 660,720.20 = 124,940.01 : x
  2. Step 2: Convert to fraction form
    440,480.37/660,720.20 = 124,940.01/x
  3. Step 3: Cross multiply
    440,480.37x = 660,720.20 × 124,940.01
  4. Step 4: Simplify right side
    440,480.37x = 82,550,387,770.50
  5. Step 5: Solve for x
    x = 82,550,387,770.50/440,480.37
  6. Step 6: Final answer
    x = 187,409.91

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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.