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Finding the Fourth Proportional to 364.88, 503.50 and 231.94

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Solution

The fourth proportional to 364.88, 503.50 and 231.94 is: 320.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.88 : 503.50 = 231.94 : x
  2. Step 2: Convert to fraction form
    364.88/503.50 = 231.94/x
  3. Step 3: Cross multiply
    364.88x = 503.50 × 231.94
  4. Step 4: Simplify right side
    364.88x = 116,781.79
  5. Step 5: Solve for x
    x = 116,781.79/364.88
  6. Step 6: Final answer
    x = 320.06

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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.