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Finding the Fourth Proportional to 298,629.80, 448,026.30 and 88,267.56

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Solution

The fourth proportional to 298,629.80, 448,026.30 and 88,267.56 is: 132,425.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,629.80 : 448,026.30 = 88,267.56 : x
  2. Step 2: Convert to fraction form
    298,629.80/448,026.30 = 88,267.56/x
  3. Step 3: Cross multiply
    298,629.80x = 448,026.30 × 88,267.56
  4. Step 4: Simplify right side
    298,629.80x = 39,546,188,316.83
  5. Step 5: Solve for x
    x = 39,546,188,316.83/298,629.80
  6. Step 6: Final answer
    x = 132,425.46

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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.