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Finding the Fourth Proportional to 335.84, 503.46 and 153.23

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Solution

The fourth proportional to 335.84, 503.46 and 153.23 is: 229.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.84 : 503.46 = 153.23 : x
  2. Step 2: Convert to fraction form
    335.84/503.46 = 153.23/x
  3. Step 3: Cross multiply
    335.84x = 503.46 × 153.23
  4. Step 4: Simplify right side
    335.84x = 77,142.66
  5. Step 5: Solve for x
    x = 77,142.66/335.84
  6. Step 6: Final answer
    x = 229.70

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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.