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Finding the Fourth Proportional to 667,532.10, 936,906.90 and 667,532.10

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Solution

The fourth proportional to 667,532.10, 936,906.90 and 667,532.10 is: 936,906.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,532.10 : 936,906.90 = 667,532.10 : x
  2. Step 2: Convert to fraction form
    667,532.10/936,906.90 = 667,532.10/x
  3. Step 3: Cross multiply
    667,532.10x = 936,906.90 × 667,532.10
  4. Step 4: Simplify right side
    667,532.10x = 625,415,430,461.49
  5. Step 5: Solve for x
    x = 625,415,430,461.49/667,532.10
  6. Step 6: Final answer
    x = 936,906.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.