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Finding the Fourth Proportional to 835.16, 1,252.86 and 401.96

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Solution

The fourth proportional to 835.16, 1,252.86 and 401.96 is: 603.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    835.16 : 1,252.86 = 401.96 : x
  2. Step 2: Convert to fraction form
    835.16/1,252.86 = 401.96/x
  3. Step 3: Cross multiply
    835.16x = 1,252.86 × 401.96
  4. Step 4: Simplify right side
    835.16x = 503,599.61
  5. Step 5: Solve for x
    x = 503,599.61/835.16
  6. Step 6: Final answer
    x = 603.00

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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.