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Finding the Fourth Proportional to 361,685.48, 499,177.62 and 200,576.36

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Solution

The fourth proportional to 361,685.48, 499,177.62 and 200,576.36 is: 276,824.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,685.48 : 499,177.62 = 200,576.36 : x
  2. Step 2: Convert to fraction form
    361,685.48/499,177.62 = 200,576.36/x
  3. Step 3: Cross multiply
    361,685.48x = 499,177.62 × 200,576.36
  4. Step 4: Simplify right side
    361,685.48x = 100,123,230,013.06
  5. Step 5: Solve for x
    x = 100,123,230,013.06/361,685.48
  6. Step 6: Final answer
    x = 276,824.02

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1.5x scale

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.