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Finding the Fourth Proportional to 602.43, 903.43 and 222

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Solution

The fourth proportional to 602.43, 903.43 and 222 is: 332.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.43 : 903.43 = 222 : x
  2. Step 2: Convert to fraction form
    602.43/903.43 = 222/x
  3. Step 3: Cross multiply
    602.43x = 903.43 × 222
  4. Step 4: Simplify right side
    602.43x = 200,562.02
  5. Step 5: Solve for x
    x = 200,562.02/602.43
  6. Step 6: Final answer
    x = 332.92

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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.