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Finding the Fourth Proportional to 556.96, 835.53 and 166.92

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Solution

The fourth proportional to 556.96, 835.53 and 166.92 is: 250.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    556.96 : 835.53 = 166.92 : x
  2. Step 2: Convert to fraction form
    556.96/835.53 = 166.92/x
  3. Step 3: Cross multiply
    556.96x = 835.53 × 166.92
  4. Step 4: Simplify right side
    556.96x = 139,466.67
  5. Step 5: Solve for x
    x = 139,466.67/556.96
  6. Step 6: Final answer
    x = 250.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.