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Finding the Fourth Proportional to 348.68, 522.78 and 184.24

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Solution

The fourth proportional to 348.68, 522.78 and 184.24 is: 276.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.68 : 522.78 = 184.24 : x
  2. Step 2: Convert to fraction form
    348.68/522.78 = 184.24/x
  3. Step 3: Cross multiply
    348.68x = 522.78 × 184.24
  4. Step 4: Simplify right side
    348.68x = 96,316.99
  5. Step 5: Solve for x
    x = 96,316.99/348.68
  6. Step 6: Final answer
    x = 276.23

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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.