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Finding the Fourth Proportional to 417.24, 625.34 and 295.53

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Solution

The fourth proportional to 417.24, 625.34 and 295.53 is: 442.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    417.24 : 625.34 = 295.53 : x
  2. Step 2: Convert to fraction form
    417.24/625.34 = 295.53/x
  3. Step 3: Cross multiply
    417.24x = 625.34 × 295.53
  4. Step 4: Simplify right side
    417.24x = 184,805.25
  5. Step 5: Solve for x
    x = 184,805.25/417.24
  6. Step 6: Final answer
    x = 442.92

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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.