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Finding the Fourth Proportional to 298,716.42, 448,074.63 and 88,337.97

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Solution

The fourth proportional to 298,716.42, 448,074.63 and 88,337.97 is: 132,506.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,716.42 : 448,074.63 = 88,337.97 : x
  2. Step 2: Convert to fraction form
    298,716.42/448,074.63 = 88,337.97/x
  3. Step 3: Cross multiply
    298,716.42x = 448,074.63 × 88,337.97
  4. Step 4: Simplify right side
    298,716.42x = 39,582,003,222.70
  5. Step 5: Solve for x
    x = 39,582,003,222.70/298,716.42
  6. Step 6: Final answer
    x = 132,506.96

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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.