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Finding the Fourth Proportional to 298,615.33, 447,998.91 and 88,253.29

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Solution

The fourth proportional to 298,615.33, 447,998.91 and 88,253.29 is: 132,402.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,615.33 : 447,998.91 = 88,253.29 : x
  2. Step 2: Convert to fraction form
    298,615.33/447,998.91 = 88,253.29/x
  3. Step 3: Cross multiply
    298,615.33x = 447,998.91 × 88,253.29
  4. Step 4: Simplify right side
    298,615.33x = 39,537,377,723.91
  5. Step 5: Solve for x
    x = 39,537,377,723.91/298,615.33
  6. Step 6: Final answer
    x = 132,402.37

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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.