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Finding the Fourth Proportional to 609,136.38, 840,614.85 and 337,208.81

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Solution

The fourth proportional to 609,136.38, 840,614.85 and 337,208.81 is: 465,351.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,136.38 : 840,614.85 = 337,208.81 : x
  2. Step 2: Convert to fraction form
    609,136.38/840,614.85 = 337,208.81/x
  3. Step 3: Cross multiply
    609,136.38x = 840,614.85 × 337,208.81
  4. Step 4: Simplify right side
    609,136.38x = 283,462,735,338.37
  5. Step 5: Solve for x
    x = 283,462,735,338.37/609,136.38
  6. Step 6: Final answer
    x = 465,351.84

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1.5x scale

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.