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Finding the Fourth Proportional to 1,162.87, 1,743.62 and 469.56

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Solution

The fourth proportional to 1,162.87, 1,743.62 and 469.56 is: 704.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162.87 : 1,743.62 = 469.56 : x
  2. Step 2: Convert to fraction form
    1,162.87/1,743.62 = 469.56/x
  3. Step 3: Cross multiply
    1,162.87x = 1,743.62 × 469.56
  4. Step 4: Simplify right side
    1,162.87x = 818,735.38
  5. Step 5: Solve for x
    x = 818,735.38/1,162.87
  6. Step 6: Final answer
    x = 704.06

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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.