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Finding the Fourth Proportional to 333.25, 499.93 and 168.77

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Solution

The fourth proportional to 333.25, 499.93 and 168.77 is: 253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.25 : 499.93 = 168.77 : x
  2. Step 2: Convert to fraction form
    333.25/499.93 = 168.77/x
  3. Step 3: Cross multiply
    333.25x = 499.93 × 168.77
  4. Step 4: Simplify right side
    333.25x = 84,374.01
  5. Step 5: Solve for x
    x = 84,374.01/333.25
  6. Step 6: Final answer
    x = 253.19

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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.