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Finding the Fourth Proportional to 334,414.80, 501,622.20 and 109,809.90

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Solution

The fourth proportional to 334,414.80, 501,622.20 and 109,809.90 is: 164,714.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,414.80 : 501,622.20 = 109,809.90 : x
  2. Step 2: Convert to fraction form
    334,414.80/501,622.20 = 109,809.90/x
  3. Step 3: Cross multiply
    334,414.80x = 501,622.20 × 109,809.90
  4. Step 4: Simplify right side
    334,414.80x = 55,083,083,619.78
  5. Step 5: Solve for x
    x = 55,083,083,619.78/334,414.80
  6. Step 6: Final answer
    x = 164,714.85

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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.