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Finding the Fourth Proportional to 481,375.00, 721,543.29 and 313,016.10

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Solution

The fourth proportional to 481,375.00, 721,543.29 and 313,016.10 is: 469,186.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,375.00 : 721,543.29 = 313,016.10 : x
  2. Step 2: Convert to fraction form
    481,375.00/721,543.29 = 313,016.10/x
  3. Step 3: Cross multiply
    481,375.00x = 721,543.29 × 313,016.10
  4. Step 4: Simplify right side
    481,375.00x = 225,854,664,498.09
  5. Step 5: Solve for x
    x = 225,854,664,498.09/481,375.00
  6. Step 6: Final answer
    x = 469,186.53

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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.