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Finding the Fourth Proportional to 348.96, 522.36 and 233.04

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Solution

The fourth proportional to 348.96, 522.36 and 233.04 is: 348.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.96 : 522.36 = 233.04 : x
  2. Step 2: Convert to fraction form
    348.96/522.36 = 233.04/x
  3. Step 3: Cross multiply
    348.96x = 522.36 × 233.04
  4. Step 4: Simplify right side
    348.96x = 121,730.77
  5. Step 5: Solve for x
    x = 121,730.77/348.96
  6. Step 6: Final answer
    x = 348.84

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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.