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Finding the Fourth Proportional to 417.13, 625.62 and 173.59

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Solution

The fourth proportional to 417.13, 625.62 and 173.59 is: 260.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    417.13 : 625.62 = 173.59 : x
  2. Step 2: Convert to fraction form
    417.13/625.62 = 173.59/x
  3. Step 3: Cross multiply
    417.13x = 625.62 × 173.59
  4. Step 4: Simplify right side
    417.13x = 108,600.46
  5. Step 5: Solve for x
    x = 108,600.46/417.13
  6. Step 6: Final answer
    x = 260.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.