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Finding the Fourth Proportional to 334,410.80, 501,616.20 and 109,805.90

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Solution

The fourth proportional to 334,410.80, 501,616.20 and 109,805.90 is: 164,708.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,410.80 : 501,616.20 = 109,805.90 : x
  2. Step 2: Convert to fraction form
    334,410.80/501,616.20 = 109,805.90/x
  3. Step 3: Cross multiply
    334,410.80x = 501,616.20 × 109,805.90
  4. Step 4: Simplify right side
    334,410.80x = 55,080,418,295.58
  5. Step 5: Solve for x
    x = 55,080,418,295.58/334,410.80
  6. Step 6: Final answer
    x = 164,708.85

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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.