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Finding the Fourth Proportional to 524.63, 787.22 and 268.13

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Solution

The fourth proportional to 524.63, 787.22 and 268.13 is: 402.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    524.63 : 787.22 = 268.13 : x
  2. Step 2: Convert to fraction form
    524.63/787.22 = 268.13/x
  3. Step 3: Cross multiply
    524.63x = 787.22 × 268.13
  4. Step 4: Simplify right side
    524.63x = 211,072.02
  5. Step 5: Solve for x
    x = 211,072.02/524.63
  6. Step 6: Final answer
    x = 402.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.