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Finding the Fourth Proportional to 746.51, 1,119.24 and 335.43

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Solution

The fourth proportional to 746.51, 1,119.24 and 335.43 is: 502.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    746.51 : 1,119.24 = 335.43 : x
  2. Step 2: Convert to fraction form
    746.51/1,119.24 = 335.43/x
  3. Step 3: Cross multiply
    746.51x = 1,119.24 × 335.43
  4. Step 4: Simplify right side
    746.51x = 375,426.67
  5. Step 5: Solve for x
    x = 375,426.67/746.51
  6. Step 6: Final answer
    x = 502.91

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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.