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Finding the Fourth Proportional to 1,193.65, 1,791.15 and 463.29

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Solution

The fourth proportional to 1,193.65, 1,791.15 and 463.29 is: 695.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.65 : 1,791.15 = 463.29 : x
  2. Step 2: Convert to fraction form
    1,193.65/1,791.15 = 463.29/x
  3. Step 3: Cross multiply
    1,193.65x = 1,791.15 × 463.29
  4. Step 4: Simplify right side
    1,193.65x = 829,821.88
  5. Step 5: Solve for x
    x = 829,821.88/1,193.65
  6. Step 6: Final answer
    x = 695.20

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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.