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Finding the Fourth Proportional to 298,997.40, 448,561.62 and 88,622.52

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Solution

The fourth proportional to 298,997.40, 448,561.62 and 88,622.52 is: 132,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,997.40 : 448,561.62 = 88,622.52 : x
  2. Step 2: Convert to fraction form
    298,997.40/448,561.62 = 88,622.52/x
  3. Step 3: Cross multiply
    298,997.40x = 448,561.62 × 88,622.52
  4. Step 4: Simplify right side
    298,997.40x = 39,752,661,139.68
  5. Step 5: Solve for x
    x = 39,752,661,139.68/298,997.40
  6. Step 6: Final answer
    x = 132,953.20

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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.