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Finding the Fourth Proportional to 267,995.94, 401,468.34 and 155,439.72

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Solution

The fourth proportional to 267,995.94, 401,468.34 and 155,439.72 is: 232,854.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,995.94 : 401,468.34 = 155,439.72 : x
  2. Step 2: Convert to fraction form
    267,995.94/401,468.34 = 155,439.72/x
  3. Step 3: Cross multiply
    267,995.94x = 401,468.34 × 155,439.72
  4. Step 4: Simplify right side
    267,995.94x = 62,404,126,358.46
  5. Step 5: Solve for x
    x = 62,404,126,358.46/267,995.94
  6. Step 6: Final answer
    x = 232,854.75

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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.