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Finding the Fourth Proportional to 416.02, 623.52 and 184.65

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Solution

The fourth proportional to 416.02, 623.52 and 184.65 is: 276.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    416.02 : 623.52 = 184.65 : x
  2. Step 2: Convert to fraction form
    416.02/623.52 = 184.65/x
  3. Step 3: Cross multiply
    416.02x = 623.52 × 184.65
  4. Step 4: Simplify right side
    416.02x = 115,132.97
  5. Step 5: Solve for x
    x = 115,132.97/416.02
  6. Step 6: Final answer
    x = 276.75

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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.