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Finding the Fourth Proportional to 1,144.10, 1,716.15 and 566.90

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Solution

The fourth proportional to 1,144.10, 1,716.15 and 566.90 is: 850.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144.10 : 1,716.15 = 566.90 : x
  2. Step 2: Convert to fraction form
    1,144.10/1,716.15 = 566.90/x
  3. Step 3: Cross multiply
    1,144.10x = 1,716.15 × 566.90
  4. Step 4: Simplify right side
    1,144.10x = 972,885.44
  5. Step 5: Solve for x
    x = 972,885.44/1,144.10
  6. Step 6: Final answer
    x = 850.35

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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.