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Finding the Fourth Proportional to 298,613.34, 447,868.17 and 101,621.34

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Solution

The fourth proportional to 298,613.34, 447,868.17 and 101,621.34 is: 152,414.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,613.34 : 447,868.17 = 101,621.34 : x
  2. Step 2: Convert to fraction form
    298,613.34/447,868.17 = 101,621.34/x
  3. Step 3: Cross multiply
    298,613.34x = 447,868.17 × 101,621.34
  4. Step 4: Simplify right side
    298,613.34x = 45,512,963,578.75
  5. Step 5: Solve for x
    x = 45,512,963,578.75/298,613.34
  6. Step 6: Final answer
    x = 152,414.37

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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.