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Finding the Fourth Proportional to 1,193.33, 1,788.68 and 462.71

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Solution

The fourth proportional to 1,193.33, 1,788.68 and 462.71 is: 693.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.33 : 1,788.68 = 462.71 : x
  2. Step 2: Convert to fraction form
    1,193.33/1,788.68 = 462.71/x
  3. Step 3: Cross multiply
    1,193.33x = 1,788.68 × 462.71
  4. Step 4: Simplify right side
    1,193.33x = 827,645.75
  5. Step 5: Solve for x
    x = 827,645.75/1,193.33
  6. Step 6: Final answer
    x = 693.56

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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.