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Finding the Fourth Proportional to 966.95, 1,450.45 and 236.53

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Solution

The fourth proportional to 966.95, 1,450.45 and 236.53 is: 354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.95 : 1,450.45 = 236.53 : x
  2. Step 2: Convert to fraction form
    966.95/1,450.45 = 236.53/x
  3. Step 3: Cross multiply
    966.95x = 1,450.45 × 236.53
  4. Step 4: Simplify right side
    966.95x = 343,069.11
  5. Step 5: Solve for x
    x = 343,069.11/966.95
  6. Step 6: Final answer
    x = 354.80

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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.