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Finding the Fourth Proportional to 293,310.60, 439,965.90 and 222,451.80

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Solution

The fourth proportional to 293,310.60, 439,965.90 and 222,451.80 is: 333,677.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,310.60 : 439,965.90 = 222,451.80 : x
  2. Step 2: Convert to fraction form
    293,310.60/439,965.90 = 222,451.80/x
  3. Step 3: Cross multiply
    293,310.60x = 439,965.90 × 222,451.80
  4. Step 4: Simplify right side
    293,310.60x = 97,871,206,393.62
  5. Step 5: Solve for x
    x = 97,871,206,393.62/293,310.60
  6. Step 6: Final answer
    x = 333,677.70

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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.