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Finding the Fourth Proportional to 693,339, 1,040,008.50 and 168,027

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Solution

The fourth proportional to 693,339, 1,040,008.50 and 168,027 is: 252,040.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,339 : 1,040,008.50 = 168,027 : x
  2. Step 2: Convert to fraction form
    693,339/1,040,008.50 = 168,027/x
  3. Step 3: Cross multiply
    693,339x = 1,040,008.50 × 168,027
  4. Step 4: Simplify right side
    693,339x = 174,749,508,229.50
  5. Step 5: Solve for x
    x = 174,749,508,229.50/693,339
  6. Step 6: Final answer
    x = 252,040.50

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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.