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Finding the Fourth Proportional to 366.48, 505.56 and 235.62

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Solution

The fourth proportional to 366.48, 505.56 and 235.62 is: 325.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    366.48 : 505.56 = 235.62 : x
  2. Step 2: Convert to fraction form
    366.48/505.56 = 235.62/x
  3. Step 3: Cross multiply
    366.48x = 505.56 × 235.62
  4. Step 4: Simplify right side
    366.48x = 119,120.05
  5. Step 5: Solve for x
    x = 119,120.05/366.48
  6. Step 6: Final answer
    x = 325.04

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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.