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Finding the Fourth Proportional to 267,393.20, 401,089.80 and 207,906.80

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Solution

The fourth proportional to 267,393.20, 401,089.80 and 207,906.80 is: 311,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,393.20 : 401,089.80 = 207,906.80 : x
  2. Step 2: Convert to fraction form
    267,393.20/401,089.80 = 207,906.80/x
  3. Step 3: Cross multiply
    267,393.20x = 401,089.80 × 207,906.80
  4. Step 4: Simplify right side
    267,393.20x = 83,389,296,830.64
  5. Step 5: Solve for x
    x = 83,389,296,830.64/267,393.20
  6. Step 6: Final answer
    x = 311,860.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.