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Finding the Fourth Proportional to 416.14, 623.52 and 294.16

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Solution

The fourth proportional to 416.14, 623.52 and 294.16 is: 440.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.14 : 623.52 = 294.16 : x
  2. Step 2: Convert to fraction form
    416.14/623.52 = 294.16/x
  3. Step 3: Cross multiply
    416.14x = 623.52 × 294.16
  4. Step 4: Simplify right side
    416.14x = 183,414.64
  5. Step 5: Solve for x
    x = 183,414.64/416.14
  6. Step 6: Final answer
    x = 440.75

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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.