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Finding the Fourth Proportional to 340,737.20, 511,105.80 and 334,176.20

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Solution

The fourth proportional to 340,737.20, 511,105.80 and 334,176.20 is: 501,264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,737.20 : 511,105.80 = 334,176.20 : x
  2. Step 2: Convert to fraction form
    340,737.20/511,105.80 = 334,176.20/x
  3. Step 3: Cross multiply
    340,737.20x = 511,105.80 × 334,176.20
  4. Step 4: Simplify right side
    340,737.20x = 170,799,394,041.96
  5. Step 5: Solve for x
    x = 170,799,394,041.96/340,737.20
  6. Step 6: Final answer
    x = 501,264.30

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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.