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Finding the Fourth Proportional to 335.50, 503.34 and 152.92

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Solution

The fourth proportional to 335.50, 503.34 and 152.92 is: 229.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.50 : 503.34 = 152.92 : x
  2. Step 2: Convert to fraction form
    335.50/503.34 = 152.92/x
  3. Step 3: Cross multiply
    335.50x = 503.34 × 152.92
  4. Step 4: Simplify right side
    335.50x = 76,970.75
  5. Step 5: Solve for x
    x = 76,970.75/335.50
  6. Step 6: Final answer
    x = 229.42

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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.