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Finding the Fourth Proportional to 298,839.36, 448,324.62 and 88,493.64

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Solution

The fourth proportional to 298,839.36, 448,324.62 and 88,493.64 is: 132,759.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,839.36 : 448,324.62 = 88,493.64 : x
  2. Step 2: Convert to fraction form
    298,839.36/448,324.62 = 88,493.64/x
  3. Step 3: Cross multiply
    298,839.36x = 448,324.62 × 88,493.64
  4. Step 4: Simplify right side
    298,839.36x = 39,673,877,525.42
  5. Step 5: Solve for x
    x = 39,673,877,525.42/298,839.36
  6. Step 6: Final answer
    x = 132,759.88

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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.