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Finding the Fourth Proportional to 2,296.97, 3,445.58 and 653.39

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Solution

The fourth proportional to 2,296.97, 3,445.58 and 653.39 is: 980.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296.97 : 3,445.58 = 653.39 : x
  2. Step 2: Convert to fraction form
    2,296.97/3,445.58 = 653.39/x
  3. Step 3: Cross multiply
    2,296.97x = 3,445.58 × 653.39
  4. Step 4: Simplify right side
    2,296.97x = 2,251,317.76
  5. Step 5: Solve for x
    x = 2,251,317.76/2,296.97
  6. Step 6: Final answer
    x = 980.13

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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.