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Finding the Fourth Proportional to 835.27, 1,152.60 and 520.57

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Solution

The fourth proportional to 835.27, 1,152.60 and 520.57 is: 718.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    835.27 : 1,152.60 = 520.57 : x
  2. Step 2: Convert to fraction form
    835.27/1,152.60 = 520.57/x
  3. Step 3: Cross multiply
    835.27x = 1,152.60 × 520.57
  4. Step 4: Simplify right side
    835.27x = 600,008.98
  5. Step 5: Solve for x
    x = 600,008.98/835.27
  6. Step 6: Final answer
    x = 718.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.