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Finding the Fourth Proportional to 333.93, 500.81 and 117.48

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Solution

The fourth proportional to 333.93, 500.81 and 117.48 is: 176.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.93 : 500.81 = 117.48 : x
  2. Step 2: Convert to fraction form
    333.93/500.81 = 117.48/x
  3. Step 3: Cross multiply
    333.93x = 500.81 × 117.48
  4. Step 4: Simplify right side
    333.93x = 58,834.57
  5. Step 5: Solve for x
    x = 58,834.57/333.93
  6. Step 6: Final answer
    x = 176.19

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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.