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Finding the Fourth Proportional to 335.53, 503.35 and 104.36

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Solution

The fourth proportional to 335.53, 503.35 and 104.36 is: 156.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.53 : 503.35 = 104.36 : x
  2. Step 2: Convert to fraction form
    335.53/503.35 = 104.36/x
  3. Step 3: Cross multiply
    335.53x = 503.35 × 104.36
  4. Step 4: Simplify right side
    335.53x = 52,529.08
  5. Step 5: Solve for x
    x = 52,529.08/335.53
  6. Step 6: Final answer
    x = 156.56

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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.