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Finding the Fourth Proportional to 881.95, 1,322.85 and 232.68

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Solution

The fourth proportional to 881.95, 1,322.85 and 232.68 is: 348.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    881.95 : 1,322.85 = 232.68 : x
  2. Step 2: Convert to fraction form
    881.95/1,322.85 = 232.68/x
  3. Step 3: Cross multiply
    881.95x = 1,322.85 × 232.68
  4. Step 4: Simplify right side
    881.95x = 307,794.12
  5. Step 5: Solve for x
    x = 307,794.12/881.95
  6. Step 6: Final answer
    x = 348.99

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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.