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Finding the Fourth Proportional to 350.84, 525.90 and 196.58

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Solution

The fourth proportional to 350.84, 525.90 and 196.58 is: 294.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    350.84 : 525.90 = 196.58 : x
  2. Step 2: Convert to fraction form
    350.84/525.90 = 196.58/x
  3. Step 3: Cross multiply
    350.84x = 525.90 × 196.58
  4. Step 4: Simplify right side
    350.84x = 103,381.42
  5. Step 5: Solve for x
    x = 103,381.42/350.84
  6. Step 6: Final answer
    x = 294.67

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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.