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Finding the Fourth Proportional to 746.46, 1,119.31 and 335.24

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Solution

The fourth proportional to 746.46, 1,119.31 and 335.24 is: 502.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    746.46 : 1,119.31 = 335.24 : x
  2. Step 2: Convert to fraction form
    746.46/1,119.31 = 335.24/x
  3. Step 3: Cross multiply
    746.46x = 1,119.31 × 335.24
  4. Step 4: Simplify right side
    746.46x = 375,238.61
  5. Step 5: Solve for x
    x = 375,238.61/746.46
  6. Step 6: Final answer
    x = 502.69

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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.