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Finding the Fourth Proportional to 348.51, 523.23 and 297.48

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Solution

The fourth proportional to 348.51, 523.23 and 297.48 is: 446.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.51 : 523.23 = 297.48 : x
  2. Step 2: Convert to fraction form
    348.51/523.23 = 297.48/x
  3. Step 3: Cross multiply
    348.51x = 523.23 × 297.48
  4. Step 4: Simplify right side
    348.51x = 155,650.46
  5. Step 5: Solve for x
    x = 155,650.46/348.51
  6. Step 6: Final answer
    x = 446.62

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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.