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Finding the Fourth Proportional to 1,631.81, 2,446.22 and 591.57

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Solution

The fourth proportional to 1,631.81, 2,446.22 and 591.57 is: 886.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.81 : 2,446.22 = 591.57 : x
  2. Step 2: Convert to fraction form
    1,631.81/2,446.22 = 591.57/x
  3. Step 3: Cross multiply
    1,631.81x = 2,446.22 × 591.57
  4. Step 4: Simplify right side
    1,631.81x = 1,447,110.37
  5. Step 5: Solve for x
    x = 1,447,110.37/1,631.81
  6. Step 6: Final answer
    x = 886.81

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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.