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Finding the Fourth Proportional to 633,806.28, 950,069.34 and 397,314.72

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Solution

The fourth proportional to 633,806.28, 950,069.34 and 397,314.72 is: 595,570.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,806.28 : 950,069.34 = 397,314.72 : x
  2. Step 2: Convert to fraction form
    633,806.28/950,069.34 = 397,314.72/x
  3. Step 3: Cross multiply
    633,806.28x = 950,069.34 × 397,314.72
  4. Step 4: Simplify right side
    633,806.28x = 377,476,533,802.69
  5. Step 5: Solve for x
    x = 377,476,533,802.69/633,806.28
  6. Step 6: Final answer
    x = 595,570.83

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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.