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Finding the Fourth Proportional to 364.81, 503.45 and 233.75

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Solution

The fourth proportional to 364.81, 503.45 and 233.75 is: 322.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.81 : 503.45 = 233.75 : x
  2. Step 2: Convert to fraction form
    364.81/503.45 = 233.75/x
  3. Step 3: Cross multiply
    364.81x = 503.45 × 233.75
  4. Step 4: Simplify right side
    364.81x = 117,681.44
  5. Step 5: Solve for x
    x = 117,681.44/364.81
  6. Step 6: Final answer
    x = 322.58

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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.