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Finding the Fourth Proportional to 366.44, 505.64 and 242.24

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Solution

The fourth proportional to 366.44, 505.64 and 242.24 is: 334.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.44 : 505.64 = 242.24 : x
  2. Step 2: Convert to fraction form
    366.44/505.64 = 242.24/x
  3. Step 3: Cross multiply
    366.44x = 505.64 × 242.24
  4. Step 4: Simplify right side
    366.44x = 122,484.31
  5. Step 5: Solve for x
    x = 122,484.31/366.44
  6. Step 6: Final answer
    x = 334.26

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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.