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Finding the Fourth Proportional to 1,059.75, 1,589.46 and 366.26

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Solution

The fourth proportional to 1,059.75, 1,589.46 and 366.26 is: 549.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059.75 : 1,589.46 = 366.26 : x
  2. Step 2: Convert to fraction form
    1,059.75/1,589.46 = 366.26/x
  3. Step 3: Cross multiply
    1,059.75x = 1,589.46 × 366.26
  4. Step 4: Simplify right side
    1,059.75x = 582,155.62
  5. Step 5: Solve for x
    x = 582,155.62/1,059.75
  6. Step 6: Final answer
    x = 549.33

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Double scale
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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.