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Finding the Fourth Proportional to 602.25, 903.46 and 236.84

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Solution

The fourth proportional to 602.25, 903.46 and 236.84 is: 355.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.25 : 903.46 = 236.84 : x
  2. Step 2: Convert to fraction form
    602.25/903.46 = 236.84/x
  3. Step 3: Cross multiply
    602.25x = 903.46 × 236.84
  4. Step 4: Simplify right side
    602.25x = 213,975.47
  5. Step 5: Solve for x
    x = 213,975.47/602.25
  6. Step 6: Final answer
    x = 355.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.