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Finding the Fourth Proportional to 667,099.65, 935,805.75 and 667,099.65

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Solution

The fourth proportional to 667,099.65, 935,805.75 and 667,099.65 is: 935,805.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,099.65 : 935,805.75 = 667,099.65 : x
  2. Step 2: Convert to fraction form
    667,099.65/935,805.75 = 667,099.65/x
  3. Step 3: Cross multiply
    667,099.65x = 935,805.75 × 667,099.65
  4. Step 4: Simplify right side
    667,099.65x = 624,275,688,292.99
  5. Step 5: Solve for x
    x = 624,275,688,292.99/667,099.65
  6. Step 6: Final answer
    x = 935,805.75

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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.