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Finding the Fourth Proportional to 361,778.25, 499,253.99 and 200,657.97

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Solution

The fourth proportional to 361,778.25, 499,253.99 and 200,657.97 is: 276,908.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,778.25 : 499,253.99 = 200,657.97 : x
  2. Step 2: Convert to fraction form
    361,778.25/499,253.99 = 200,657.97/x
  3. Step 3: Cross multiply
    361,778.25x = 499,253.99 × 200,657.97
  4. Step 4: Simplify right side
    361,778.25x = 100,179,291,144.51
  5. Step 5: Solve for x
    x = 100,179,291,144.51/361,778.25
  6. Step 6: Final answer
    x = 276,908.00

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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.