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Finding the Fourth Proportional to 838.08, 1,254.96 and 564.12

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Solution

The fourth proportional to 838.08, 1,254.96 and 564.12 is: 844.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    838.08 : 1,254.96 = 564.12 : x
  2. Step 2: Convert to fraction form
    838.08/1,254.96 = 564.12/x
  3. Step 3: Cross multiply
    838.08x = 1,254.96 × 564.12
  4. Step 4: Simplify right side
    838.08x = 707,948.04
  5. Step 5: Solve for x
    x = 707,948.04/838.08
  6. Step 6: Final answer
    x = 844.73

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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.