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Finding the Fourth Proportional to 563.00, 776.94 and 314.31

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Solution

The fourth proportional to 563.00, 776.94 and 314.31 is: 433.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    563.00 : 776.94 = 314.31 : x
  2. Step 2: Convert to fraction form
    563.00/776.94 = 314.31/x
  3. Step 3: Cross multiply
    563.00x = 776.94 × 314.31
  4. Step 4: Simplify right side
    563.00x = 244,200.01
  5. Step 5: Solve for x
    x = 244,200.01/563.00
  6. Step 6: Final answer
    x = 433.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.