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Finding the Fourth Proportional to 349.48, 482.18 and 233

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Solution

The fourth proportional to 349.48, 482.18 and 233 is: 321.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.48 : 482.18 = 233 : x
  2. Step 2: Convert to fraction form
    349.48/482.18 = 233/x
  3. Step 3: Cross multiply
    349.48x = 482.18 × 233
  4. Step 4: Simplify right side
    349.48x = 112,347.94
  5. Step 5: Solve for x
    x = 112,347.94/349.48
  6. Step 6: Final answer
    x = 321.47

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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.