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Finding the Fourth Proportional to 348.71, 522.60 and 294.49

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Solution

The fourth proportional to 348.71, 522.60 and 294.49 is: 441.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.71 : 522.60 = 294.49 : x
  2. Step 2: Convert to fraction form
    348.71/522.60 = 294.49/x
  3. Step 3: Cross multiply
    348.71x = 522.60 × 294.49
  4. Step 4: Simplify right side
    348.71x = 153,898.74
  5. Step 5: Solve for x
    x = 153,898.74/348.71
  6. Step 6: Final answer
    x = 441.34

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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.