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Finding the Fourth Proportional to 267,643.60, 401,004.60 and 226,171.60

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Solution

The fourth proportional to 267,643.60, 401,004.60 and 226,171.60 is: 338,868.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,643.60 : 401,004.60 = 226,171.60 : x
  2. Step 2: Convert to fraction form
    267,643.60/401,004.60 = 226,171.60/x
  3. Step 3: Cross multiply
    267,643.60x = 401,004.60 × 226,171.60
  4. Step 4: Simplify right side
    267,643.60x = 90,695,851,989.36
  5. Step 5: Solve for x
    x = 90,695,851,989.36/267,643.60
  6. Step 6: Final answer
    x = 338,868.00

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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.