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Finding the Fourth Proportional to 1,566.18, 2,349.28 and 396.18

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Solution

The fourth proportional to 1,566.18, 2,349.28 and 396.18 is: 594.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.18 : 2,349.28 = 396.18 : x
  2. Step 2: Convert to fraction form
    1,566.18/2,349.28 = 396.18/x
  3. Step 3: Cross multiply
    1,566.18x = 2,349.28 × 396.18
  4. Step 4: Simplify right side
    1,566.18x = 930,737.75
  5. Step 5: Solve for x
    x = 930,737.75/1,566.18
  6. Step 6: Final answer
    x = 594.27

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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.