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Finding the Fourth Proportional to 451,053.33, 622,454.37 and 247,099.80

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Solution

The fourth proportional to 451,053.33, 622,454.37 and 247,099.80 is: 340,998.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,053.33 : 622,454.37 = 247,099.80 : x
  2. Step 2: Convert to fraction form
    451,053.33/622,454.37 = 247,099.80/x
  3. Step 3: Cross multiply
    451,053.33x = 622,454.37 × 247,099.80
  4. Step 4: Simplify right side
    451,053.33x = 153,808,350,336.13
  5. Step 5: Solve for x
    x = 153,808,350,336.13/451,053.33
  6. Step 6: Final answer
    x = 340,998.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.