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Finding the Fourth Proportional to 738,389.70, 1,107,584.55 and 733,724.10

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Solution

The fourth proportional to 738,389.70, 1,107,584.55 and 733,724.10 is: 1,100,586.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,389.70 : 1,107,584.55 = 733,724.10 : x
  2. Step 2: Convert to fraction form
    738,389.70/1,107,584.55 = 733,724.10/x
  3. Step 3: Cross multiply
    738,389.70x = 1,107,584.55 × 733,724.10
  4. Step 4: Simplify right side
    738,389.70x = 812,661,477,122.66
  5. Step 5: Solve for x
    x = 812,661,477,122.66/738,389.70
  6. Step 6: Final answer
    x = 1,100,586.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.