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Finding the Fourth Proportional to 361,718.03, 499,176.87 and 200,579.87

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Solution

The fourth proportional to 361,718.03, 499,176.87 and 200,579.87 is: 276,803.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,718.03 : 499,176.87 = 200,579.87 : x
  2. Step 2: Convert to fraction form
    361,718.03/499,176.87 = 200,579.87/x
  3. Step 3: Cross multiply
    361,718.03x = 499,176.87 × 200,579.87
  4. Step 4: Simplify right side
    361,718.03x = 100,124,831,691.61
  5. Step 5: Solve for x
    x = 100,124,831,691.61/361,718.03
  6. Step 6: Final answer
    x = 276,803.54

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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.