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Finding the Fourth Proportional to 606,496.80, 910,401.30 and 382,110.60

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Solution

The fourth proportional to 606,496.80, 910,401.30 and 382,110.60 is: 573,579.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,496.80 : 910,401.30 = 382,110.60 : x
  2. Step 2: Convert to fraction form
    606,496.80/910,401.30 = 382,110.60/x
  3. Step 3: Cross multiply
    606,496.80x = 910,401.30 × 382,110.60
  4. Step 4: Simplify right side
    606,496.80x = 347,873,986,983.78
  5. Step 5: Solve for x
    x = 347,873,986,983.78/606,496.80
  6. Step 6: Final answer
    x = 573,579.26

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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.