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Finding the Fourth Proportional to 563.54, 844.54 and 316.94

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Solution

The fourth proportional to 563.54, 844.54 and 316.94 is: 474.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.54 : 844.54 = 316.94 : x
  2. Step 2: Convert to fraction form
    563.54/844.54 = 316.94/x
  3. Step 3: Cross multiply
    563.54x = 844.54 × 316.94
  4. Step 4: Simplify right side
    563.54x = 267,663.49
  5. Step 5: Solve for x
    x = 267,663.49/563.54
  6. Step 6: Final answer
    x = 474.97

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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.