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Finding the Fourth Proportional to 363,772.88, 501,980.76 and 200,422.16

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Solution

The fourth proportional to 363,772.88, 501,980.76 and 200,422.16 is: 276,568.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,772.88 : 501,980.76 = 200,422.16 : x
  2. Step 2: Convert to fraction form
    363,772.88/501,980.76 = 200,422.16/x
  3. Step 3: Cross multiply
    363,772.88x = 501,980.76 × 200,422.16
  4. Step 4: Simplify right side
    363,772.88x = 100,608,068,197.64
  5. Step 5: Solve for x
    x = 100,608,068,197.64/363,772.88
  6. Step 6: Final answer
    x = 276,568.36

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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.