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Finding the Fourth Proportional to 364.72, 503.49 and 233.81

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Solution

The fourth proportional to 364.72, 503.49 and 233.81 is: 322.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.72 : 503.49 = 233.81 : x
  2. Step 2: Convert to fraction form
    364.72/503.49 = 233.81/x
  3. Step 3: Cross multiply
    364.72x = 503.49 × 233.81
  4. Step 4: Simplify right side
    364.72x = 117,717.31
  5. Step 5: Solve for x
    x = 117,717.31/364.72
  6. Step 6: Final answer
    x = 322.76

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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.