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Finding the Fourth Proportional to 365.94, 505.01 and 200.16

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Solution

The fourth proportional to 365.94, 505.01 and 200.16 is: 276.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.94 : 505.01 = 200.16 : x
  2. Step 2: Convert to fraction form
    365.94/505.01 = 200.16/x
  3. Step 3: Cross multiply
    365.94x = 505.01 × 200.16
  4. Step 4: Simplify right side
    365.94x = 101,079.28
  5. Step 5: Solve for x
    x = 101,079.28/365.94
  6. Step 6: Final answer
    x = 276.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.