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Finding the Fourth Proportional to 364.42, 502.57 and 240.04

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Solution

The fourth proportional to 364.42, 502.57 and 240.04 is: 331.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.42 : 502.57 = 240.04 : x
  2. Step 2: Convert to fraction form
    364.42/502.57 = 240.04/x
  3. Step 3: Cross multiply
    364.42x = 502.57 × 240.04
  4. Step 4: Simplify right side
    364.42x = 120,636.90
  5. Step 5: Solve for x
    x = 120,636.90/364.42
  6. Step 6: Final answer
    x = 331.04

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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.