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Finding the Fourth Proportional to 333.86, 500.76 and 117.43

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Solution

The fourth proportional to 333.86, 500.76 and 117.43 is: 176.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.86 : 500.76 = 117.43 : x
  2. Step 2: Convert to fraction form
    333.86/500.76 = 117.43/x
  3. Step 3: Cross multiply
    333.86x = 500.76 × 117.43
  4. Step 4: Simplify right side
    333.86x = 58,802.99
  5. Step 5: Solve for x
    x = 58,802.99/333.86
  6. Step 6: Final answer
    x = 176.13

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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.