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Finding the Fourth Proportional to 348.99, 522.91 and 175.49

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Solution

The fourth proportional to 348.99, 522.91 and 175.49 is: 262.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.99 : 522.91 = 175.49 : x
  2. Step 2: Convert to fraction form
    348.99/522.91 = 175.49/x
  3. Step 3: Cross multiply
    348.99x = 522.91 × 175.49
  4. Step 4: Simplify right side
    348.99x = 91,762.86
  5. Step 5: Solve for x
    x = 91,762.86/348.99
  6. Step 6: Final answer
    x = 262.94

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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.