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Finding the Fourth Proportional to 267,716.48, 401,445.54 and 155,424.96

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Solution

The fourth proportional to 267,716.48, 401,445.54 and 155,424.96 is: 233,062.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,716.48 : 401,445.54 = 155,424.96 : x
  2. Step 2: Convert to fraction form
    267,716.48/401,445.54 = 155,424.96/x
  3. Step 3: Cross multiply
    267,716.48x = 401,445.54 × 155,424.96
  4. Step 4: Simplify right side
    267,716.48x = 62,394,656,996.68
  5. Step 5: Solve for x
    x = 62,394,656,996.68/267,716.48
  6. Step 6: Final answer
    x = 233,062.45

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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.