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Finding the Fourth Proportional to 1,462.11, 2,194.56 and 538.56

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Solution

The fourth proportional to 1,462.11, 2,194.56 and 538.56 is: 808.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462.11 : 2,194.56 = 538.56 : x
  2. Step 2: Convert to fraction form
    1,462.11/2,194.56 = 538.56/x
  3. Step 3: Cross multiply
    1,462.11x = 2,194.56 × 538.56
  4. Step 4: Simplify right side
    1,462.11x = 1,181,902.23
  5. Step 5: Solve for x
    x = 1,181,902.23/1,462.11
  6. Step 6: Final answer
    x = 808.35

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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.