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Finding the Fourth Proportional to 267,635.95, 401,326.80 and 155,350.81

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Solution

The fourth proportional to 267,635.95, 401,326.80 and 155,350.81 is: 232,952.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,635.95 : 401,326.80 = 155,350.81 : x
  2. Step 2: Convert to fraction form
    267,635.95/401,326.80 = 155,350.81/x
  3. Step 3: Cross multiply
    267,635.95x = 401,326.80 × 155,350.81
  4. Step 4: Simplify right side
    267,635.95x = 62,346,444,247.65
  5. Step 5: Solve for x
    x = 62,346,444,247.65/267,635.95
  6. Step 6: Final answer
    x = 232,952.43

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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.