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Finding the Fourth Proportional to 298,964.76, 448,370.72 and 88,553.48

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Solution

The fourth proportional to 298,964.76, 448,370.72 and 88,553.48 is: 132,807.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,964.76 : 448,370.72 = 88,553.48 : x
  2. Step 2: Convert to fraction form
    298,964.76/448,370.72 = 88,553.48/x
  3. Step 3: Cross multiply
    298,964.76x = 448,370.72 × 88,553.48
  4. Step 4: Simplify right side
    298,964.76x = 39,704,787,586.11
  5. Step 5: Solve for x
    x = 39,704,787,586.11/298,964.76
  6. Step 6: Final answer
    x = 132,807.58

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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.