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Finding the Fourth Proportional to 349.41, 524.07 and 118.24

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Solution

The fourth proportional to 349.41, 524.07 and 118.24 is: 177.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.41 : 524.07 = 118.24 : x
  2. Step 2: Convert to fraction form
    349.41/524.07 = 118.24/x
  3. Step 3: Cross multiply
    349.41x = 524.07 × 118.24
  4. Step 4: Simplify right side
    349.41x = 61,966.04
  5. Step 5: Solve for x
    x = 61,966.04/349.41
  6. Step 6: Final answer
    x = 177.34

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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.