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Finding the Fourth Proportional to 348.93, 523.01 and 117.60

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Solution

The fourth proportional to 348.93, 523.01 and 117.60 is: 176.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    348.93 : 523.01 = 117.60 : x
  2. Step 2: Convert to fraction form
    348.93/523.01 = 117.60/x
  3. Step 3: Cross multiply
    348.93x = 523.01 × 117.60
  4. Step 4: Simplify right side
    348.93x = 61,505.39
  5. Step 5: Solve for x
    x = 61,505.39/348.93
  6. Step 6: Final answer
    x = 176.27

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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.