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Finding the Fourth Proportional to 1,193.37, 1,788 and 576.68

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Solution

The fourth proportional to 1,193.37, 1,788 and 576.68 is: 864.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.37 : 1,788 = 576.68 : x
  2. Step 2: Convert to fraction form
    1,193.37/1,788 = 576.68/x
  3. Step 3: Cross multiply
    1,193.37x = 1,788 × 576.68
  4. Step 4: Simplify right side
    1,193.37x = 1,031,103.84
  5. Step 5: Solve for x
    x = 1,031,103.84/1,193.37
  6. Step 6: Final answer
    x = 864.03

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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.