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Finding the Fourth Proportional to 334,414.20, 501,621.30 and 220,252.80

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Solution

The fourth proportional to 334,414.20, 501,621.30 and 220,252.80 is: 330,379.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,414.20 : 501,621.30 = 220,252.80 : x
  2. Step 2: Convert to fraction form
    334,414.20/501,621.30 = 220,252.80/x
  3. Step 3: Cross multiply
    334,414.20x = 501,621.30 × 220,252.80
  4. Step 4: Simplify right side
    334,414.20x = 110,483,495,864.64
  5. Step 5: Solve for x
    x = 110,483,495,864.64/334,414.20
  6. Step 6: Final answer
    x = 330,379.20

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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.