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Finding the Fourth Proportional to 468,488.98, 701,600.55 and 268,201.90

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Solution

The fourth proportional to 468,488.98, 701,600.55 and 268,201.90 is: 401,654.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,488.98 : 701,600.55 = 268,201.90 : x
  2. Step 2: Convert to fraction form
    468,488.98/701,600.55 = 268,201.90/x
  3. Step 3: Cross multiply
    468,488.98x = 701,600.55 × 268,201.90
  4. Step 4: Simplify right side
    468,488.98x = 188,170,600,551.05
  5. Step 5: Solve for x
    x = 188,170,600,551.05/468,488.98
  6. Step 6: Final answer
    x = 401,654.27

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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.