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Finding the Fourth Proportional to 351.44, 524.92 and 302.84

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Solution

The fourth proportional to 351.44, 524.92 and 302.84 is: 452.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    351.44 : 524.92 = 302.84 : x
  2. Step 2: Convert to fraction form
    351.44/524.92 = 302.84/x
  3. Step 3: Cross multiply
    351.44x = 524.92 × 302.84
  4. Step 4: Simplify right side
    351.44x = 158,966.77
  5. Step 5: Solve for x
    x = 158,966.77/351.44
  6. Step 6: Final answer
    x = 452.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.