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Finding the Fourth Proportional to 361,685.79, 499,154.60 and 200,572.23

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Solution

The fourth proportional to 361,685.79, 499,154.60 and 200,572.23 is: 276,805.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,685.79 : 499,154.60 = 200,572.23 : x
  2. Step 2: Convert to fraction form
    361,685.79/499,154.60 = 200,572.23/x
  3. Step 3: Cross multiply
    361,685.79x = 499,154.60 × 200,572.23
  4. Step 4: Simplify right side
    361,685.79x = 100,116,553,610.02
  5. Step 5: Solve for x
    x = 100,116,553,610.02/361,685.79
  6. Step 6: Final answer
    x = 276,805.33

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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.