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Finding the Fourth Proportional to 416.57, 624.24 and 295.07

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Solution

The fourth proportional to 416.57, 624.24 and 295.07 is: 442.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.57 : 624.24 = 295.07 : x
  2. Step 2: Convert to fraction form
    416.57/624.24 = 295.07/x
  3. Step 3: Cross multiply
    416.57x = 624.24 × 295.07
  4. Step 4: Simplify right side
    416.57x = 184,191.38
  5. Step 5: Solve for x
    x = 184,191.38/416.57
  6. Step 6: Final answer
    x = 442.17

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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.