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Finding the Fourth Proportional to 440,399.88, 660,522 and 174,071.88

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Solution

The fourth proportional to 440,399.88, 660,522 and 174,071.88 is: 261,077.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,399.88 : 660,522 = 174,071.88 : x
  2. Step 2: Convert to fraction form
    440,399.88/660,522 = 174,071.88/x
  3. Step 3: Cross multiply
    440,399.88x = 660,522 × 174,071.88
  4. Step 4: Simplify right side
    440,399.88x = 114,978,306,321.36
  5. Step 5: Solve for x
    x = 114,978,306,321.36/440,399.88
  6. Step 6: Final answer
    x = 261,077.06

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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.