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Finding the Fourth Proportional to 364.35, 502.74 and 240.06

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Solution

The fourth proportional to 364.35, 502.74 and 240.06 is: 331.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.35 : 502.74 = 240.06 : x
  2. Step 2: Convert to fraction form
    364.35/502.74 = 240.06/x
  3. Step 3: Cross multiply
    364.35x = 502.74 × 240.06
  4. Step 4: Simplify right side
    364.35x = 120,687.76
  5. Step 5: Solve for x
    x = 120,687.76/364.35
  6. Step 6: Final answer
    x = 331.24

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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.