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Finding the Fourth Proportional to 361,720.52, 499,149.98 and 200,569.60

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Solution

The fourth proportional to 361,720.52, 499,149.98 and 200,569.60 is: 276,772.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,720.52 : 499,149.98 = 200,569.60 : x
  2. Step 2: Convert to fraction form
    361,720.52/499,149.98 = 200,569.60/x
  3. Step 3: Cross multiply
    361,720.52x = 499,149.98 × 200,569.60
  4. Step 4: Simplify right side
    361,720.52x = 100,114,308,330.01
  5. Step 5: Solve for x
    x = 100,114,308,330.01/361,720.52
  6. Step 6: Final answer
    x = 276,772.55

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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.