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Finding the Fourth Proportional to 335.48, 503.24 and 152.88

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Solution

The fourth proportional to 335.48, 503.24 and 152.88 is: 229.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.48 : 503.24 = 152.88 : x
  2. Step 2: Convert to fraction form
    335.48/503.24 = 152.88/x
  3. Step 3: Cross multiply
    335.48x = 503.24 × 152.88
  4. Step 4: Simplify right side
    335.48x = 76,935.33
  5. Step 5: Solve for x
    x = 76,935.33/335.48
  6. Step 6: Final answer
    x = 229.33

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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.