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Finding the Fourth Proportional to 603.96, 906.36 and 295.74

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Solution

The fourth proportional to 603.96, 906.36 and 295.74 is: 443.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.96 : 906.36 = 295.74 : x
  2. Step 2: Convert to fraction form
    603.96/906.36 = 295.74/x
  3. Step 3: Cross multiply
    603.96x = 906.36 × 295.74
  4. Step 4: Simplify right side
    603.96x = 268,046.91
  5. Step 5: Solve for x
    x = 268,046.91/603.96
  6. Step 6: Final answer
    x = 443.82

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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.