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Finding the Fourth Proportional to 619,666.62, 929,496.68 and 337,153.05

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Solution

The fourth proportional to 619,666.62, 929,496.68 and 337,153.05 is: 505,727.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,666.62 : 929,496.68 = 337,153.05 : x
  2. Step 2: Convert to fraction form
    619,666.62/929,496.68 = 337,153.05/x
  3. Step 3: Cross multiply
    619,666.62x = 929,496.68 × 337,153.05
  4. Step 4: Simplify right side
    619,666.62x = 313,382,640,626.87
  5. Step 5: Solve for x
    x = 313,382,640,626.87/619,666.62
  6. Step 6: Final answer
    x = 505,727.81

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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.