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Finding the Fourth Proportional to 525.41, 788.19 and 196.32

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Solution

The fourth proportional to 525.41, 788.19 and 196.32 is: 294.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    525.41 : 788.19 = 196.32 : x
  2. Step 2: Convert to fraction form
    525.41/788.19 = 196.32/x
  3. Step 3: Cross multiply
    525.41x = 788.19 × 196.32
  4. Step 4: Simplify right side
    525.41x = 154,737.46
  5. Step 5: Solve for x
    x = 154,737.46/525.41
  6. Step 6: Final answer
    x = 294.51

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Double scale
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Similar ratio
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1.5x scale

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.