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Finding the Fourth Proportional to 361,720.01, 499,149.29 and 200,569.10

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Solution

The fourth proportional to 361,720.01, 499,149.29 and 200,569.10 is: 276,771.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,720.01 : 499,149.29 = 200,569.10 : x
  2. Step 2: Convert to fraction form
    361,720.01/499,149.29 = 200,569.10/x
  3. Step 3: Cross multiply
    361,720.01x = 499,149.29 × 200,569.10
  4. Step 4: Simplify right side
    361,720.01x = 100,113,920,738.41
  5. Step 5: Solve for x
    x = 100,113,920,738.41/361,720.01
  6. Step 6: Final answer
    x = 276,771.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.