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Finding the Fourth Proportional to 267,656.67, 401,357.88 and 155,371.32

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Solution

The fourth proportional to 267,656.67, 401,357.88 and 155,371.32 is: 232,983.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,656.67 : 401,357.88 = 155,371.32 : x
  2. Step 2: Convert to fraction form
    267,656.67/401,357.88 = 155,371.32/x
  3. Step 3: Cross multiply
    267,656.67x = 401,357.88 × 155,371.32
  4. Step 4: Simplify right side
    267,656.67x = 62,359,503,608.00
  5. Step 5: Solve for x
    x = 62,359,503,608.00/267,656.67
  6. Step 6: Final answer
    x = 232,983.19

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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.