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Finding the Fourth Proportional to 667,096.65, 935,801.55 and 667,096.65

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Solution

The fourth proportional to 667,096.65, 935,801.55 and 667,096.65 is: 935,801.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,096.65 : 935,801.55 = 667,096.65 : x
  2. Step 2: Convert to fraction form
    667,096.65/935,801.55 = 667,096.65/x
  3. Step 3: Cross multiply
    667,096.65x = 935,801.55 × 667,096.65
  4. Step 4: Simplify right side
    667,096.65x = 624,270,079,069.81
  5. Step 5: Solve for x
    x = 624,270,079,069.81/667,096.65
  6. Step 6: Final answer
    x = 935,801.55

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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.