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Finding the Fourth Proportional to 495.27, 742.93 and 366.86

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Solution

The fourth proportional to 495.27, 742.93 and 366.86 is: 550.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    495.27 : 742.93 = 366.86 : x
  2. Step 2: Convert to fraction form
    495.27/742.93 = 366.86/x
  3. Step 3: Cross multiply
    495.27x = 742.93 × 366.86
  4. Step 4: Simplify right side
    495.27x = 272,552.24
  5. Step 5: Solve for x
    x = 272,552.24/495.27
  6. Step 6: Final answer
    x = 550.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.