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Finding the Fourth Proportional to 602.73, 904.20 and 294.56

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Solution

The fourth proportional to 602.73, 904.20 and 294.56 is: 441.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    602.73 : 904.20 = 294.56 : x
  2. Step 2: Convert to fraction form
    602.73/904.20 = 294.56/x
  3. Step 3: Cross multiply
    602.73x = 904.20 × 294.56
  4. Step 4: Simplify right side
    602.73x = 266,336.63
  5. Step 5: Solve for x
    x = 266,336.63/602.73
  6. Step 6: Final answer
    x = 441.88

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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.