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Finding the Fourth Proportional to 956.26, 1,433.10 and 609.04

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Solution

The fourth proportional to 956.26, 1,433.10 and 609.04 is: 912.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    956.26 : 1,433.10 = 609.04 : x
  2. Step 2: Convert to fraction form
    956.26/1,433.10 = 609.04/x
  3. Step 3: Cross multiply
    956.26x = 1,433.10 × 609.04
  4. Step 4: Simplify right side
    956.26x = 872,815.22
  5. Step 5: Solve for x
    x = 872,815.22/956.26
  6. Step 6: Final answer
    x = 912.74

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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.