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Finding the Fourth Proportional to 2,296.91, 3,445.30 and 653.44

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Solution

The fourth proportional to 2,296.91, 3,445.30 and 653.44 is: 980.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296.91 : 3,445.30 = 653.44 : x
  2. Step 2: Convert to fraction form
    2,296.91/3,445.30 = 653.44/x
  3. Step 3: Cross multiply
    2,296.91x = 3,445.30 × 653.44
  4. Step 4: Simplify right side
    2,296.91x = 2,251,296.83
  5. Step 5: Solve for x
    x = 2,251,296.83/2,296.91
  6. Step 6: Final answer
    x = 980.14

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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.