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Finding the Fourth Proportional to 2,188,266.40, 3,276,494.70 and 2,188,266.40

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Solution

The fourth proportional to 2,188,266.40, 3,276,494.70 and 2,188,266.40 is: 3,276,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,266.40 : 3,276,494.70 = 2,188,266.40 : x
  2. Step 2: Convert to fraction form
    2,188,266.40/3,276,494.70 = 2,188,266.40/x
  3. Step 3: Cross multiply
    2,188,266.40x = 3,276,494.70 × 2,188,266.40
  4. Step 4: Simplify right side
    2,188,266.40x = 7,169,843,261,788.08
  5. Step 5: Solve for x
    x = 7,169,843,261,788.08/2,188,266.40
  6. Step 6: Final answer
    x = 3,276,494.70

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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.