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Finding the Fourth Proportional to 1,173.73, 1,760.34 and 351.90

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Solution

The fourth proportional to 1,173.73, 1,760.34 and 351.90 is: 527.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173.73 : 1,760.34 = 351.90 : x
  2. Step 2: Convert to fraction form
    1,173.73/1,760.34 = 351.90/x
  3. Step 3: Cross multiply
    1,173.73x = 1,760.34 × 351.90
  4. Step 4: Simplify right side
    1,173.73x = 619,463.65
  5. Step 5: Solve for x
    x = 619,463.65/1,173.73
  6. Step 6: Final answer
    x = 527.77

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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.