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Finding the Fourth Proportional to 563.16, 844.94 and 274.76

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Solution

The fourth proportional to 563.16, 844.94 and 274.76 is: 412.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.16 : 844.94 = 274.76 : x
  2. Step 2: Convert to fraction form
    563.16/844.94 = 274.76/x
  3. Step 3: Cross multiply
    563.16x = 844.94 × 274.76
  4. Step 4: Simplify right side
    563.16x = 232,155.71
  5. Step 5: Solve for x
    x = 232,155.71/563.16
  6. Step 6: Final answer
    x = 412.24

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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.