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Finding the Fourth Proportional to 1,193.05, 1,788.83 and 462.45

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Solution

The fourth proportional to 1,193.05, 1,788.83 and 462.45 is: 693.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.05 : 1,788.83 = 462.45 : x
  2. Step 2: Convert to fraction form
    1,193.05/1,788.83 = 462.45/x
  3. Step 3: Cross multiply
    1,193.05x = 1,788.83 × 462.45
  4. Step 4: Simplify right side
    1,193.05x = 827,244.43
  5. Step 5: Solve for x
    x = 827,244.43/1,193.05
  6. Step 6: Final answer
    x = 693.39

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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.