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Finding the Fourth Proportional to 259,333.94, 389,000.91 and 69,794.73

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Solution

The fourth proportional to 259,333.94, 389,000.91 and 69,794.73 is: 104,692.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,333.94 : 389,000.91 = 69,794.73 : x
  2. Step 2: Convert to fraction form
    259,333.94/389,000.91 = 69,794.73/x
  3. Step 3: Cross multiply
    259,333.94x = 389,000.91 × 69,794.73
  4. Step 4: Simplify right side
    259,333.94x = 27,150,213,483.20
  5. Step 5: Solve for x
    x = 27,150,213,483.20/259,333.94
  6. Step 6: Final answer
    x = 104,692.10

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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.