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Finding the Fourth Proportional to 434.58, 652 and 174.62

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Solution

The fourth proportional to 434.58, 652 and 174.62 is: 261.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    434.58 : 652 = 174.62 : x
  2. Step 2: Convert to fraction form
    434.58/652 = 174.62/x
  3. Step 3: Cross multiply
    434.58x = 652 × 174.62
  4. Step 4: Simplify right side
    434.58x = 113,852.24
  5. Step 5: Solve for x
    x = 113,852.24/434.58
  6. Step 6: Final answer
    x = 261.98

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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.