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Finding the Fourth Proportional to 5,668,834.60, 8,503,251.90 and 2,305,455.40

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Solution

The fourth proportional to 5,668,834.60, 8,503,251.90 and 2,305,455.40 is: 3,458,183.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,668,834.60 : 8,503,251.90 = 2,305,455.40 : x
  2. Step 2: Convert to fraction form
    5,668,834.60/8,503,251.90 = 2,305,455.40/x
  3. Step 3: Cross multiply
    5,668,834.60x = 8,503,251.90 × 2,305,455.40
  4. Step 4: Simplify right side
    5,668,834.60x = 19,603,868,010,415.26
  5. Step 5: Solve for x
    x = 19,603,868,010,415.26/5,668,834.60
  6. Step 6: Final answer
    x = 3,458,183.10

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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.