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Finding the Fourth Proportional to 374.62, 558.52 and 365.16

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Solution

The fourth proportional to 374.62, 558.52 and 365.16 is: 544.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    374.62 : 558.52 = 365.16 : x
  2. Step 2: Convert to fraction form
    374.62/558.52 = 365.16/x
  3. Step 3: Cross multiply
    374.62x = 558.52 × 365.16
  4. Step 4: Simplify right side
    374.62x = 203,949.16
  5. Step 5: Solve for x
    x = 203,949.16/374.62
  6. Step 6: Final answer
    x = 544.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.