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Finding the Fourth Proportional to 667,100.90, 935,807.50 and 667,100.90

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Solution

The fourth proportional to 667,100.90, 935,807.50 and 667,100.90 is: 935,807.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,100.90 : 935,807.50 = 667,100.90 : x
  2. Step 2: Convert to fraction form
    667,100.90/935,807.50 = 667,100.90/x
  3. Step 3: Cross multiply
    667,100.90x = 935,807.50 × 667,100.90
  4. Step 4: Simplify right side
    667,100.90x = 624,278,025,476.75
  5. Step 5: Solve for x
    x = 624,278,025,476.75/667,100.90
  6. Step 6: Final answer
    x = 935,807.50

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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.