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Finding the Fourth Proportional to 2,308.26, 3,460.26 and 846.30

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Solution

The fourth proportional to 2,308.26, 3,460.26 and 846.30 is: 1,268.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308.26 : 3,460.26 = 846.30 : x
  2. Step 2: Convert to fraction form
    2,308.26/3,460.26 = 846.30/x
  3. Step 3: Cross multiply
    2,308.26x = 3,460.26 × 846.30
  4. Step 4: Simplify right side
    2,308.26x = 2,928,418.04
  5. Step 5: Solve for x
    x = 2,928,418.04/2,308.26
  6. Step 6: Final answer
    x = 1,268.67

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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.