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Finding the Fourth Proportional to 693,912.87, 957,306.48 and 464,544.03

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Solution

The fourth proportional to 693,912.87, 957,306.48 and 464,544.03 is: 640,874.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,912.87 : 957,306.48 = 464,544.03 : x
  2. Step 2: Convert to fraction form
    693,912.87/957,306.48 = 464,544.03/x
  3. Step 3: Cross multiply
    693,912.87x = 957,306.48 × 464,544.03
  4. Step 4: Simplify right side
    693,912.87x = 444,711,010,164.31
  5. Step 5: Solve for x
    x = 444,711,010,164.31/693,912.87
  6. Step 6: Final answer
    x = 640,874.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.