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Finding the Fourth Proportional to 298,460.26, 447,690.48 and 88,081.84

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Solution

The fourth proportional to 298,460.26, 447,690.48 and 88,081.84 is: 132,122.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,460.26 : 447,690.48 = 88,081.84 : x
  2. Step 2: Convert to fraction form
    298,460.26/447,690.48 = 88,081.84/x
  3. Step 3: Cross multiply
    298,460.26x = 447,690.48 × 88,081.84
  4. Step 4: Simplify right side
    298,460.26x = 39,433,401,228.88
  5. Step 5: Solve for x
    x = 39,433,401,228.88/298,460.26
  6. Step 6: Final answer
    x = 132,122.79

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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.