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Finding the Fourth Proportional to 966.67, 1,450.15 and 350.26

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Solution

The fourth proportional to 966.67, 1,450.15 and 350.26 is: 525.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    966.67 : 1,450.15 = 350.26 : x
  2. Step 2: Convert to fraction form
    966.67/1,450.15 = 350.26/x
  3. Step 3: Cross multiply
    966.67x = 1,450.15 × 350.26
  4. Step 4: Simplify right side
    966.67x = 507,925.04
  5. Step 5: Solve for x
    x = 507,925.04/966.67
  6. Step 6: Final answer
    x = 525.44

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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.