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Finding the Fourth Proportional to 267,986.00, 401,453.45 and 155,429.75

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Solution

The fourth proportional to 267,986.00, 401,453.45 and 155,429.75 is: 232,839.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,986.00 : 401,453.45 = 155,429.75 : x
  2. Step 2: Convert to fraction form
    267,986.00/401,453.45 = 155,429.75/x
  3. Step 3: Cross multiply
    267,986.00x = 401,453.45 × 155,429.75
  4. Step 4: Simplify right side
    267,986.00x = 62,397,810,179.48
  5. Step 5: Solve for x
    x = 62,397,810,179.48/267,986.00
  6. Step 6: Final answer
    x = 232,839.81

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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.