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Finding the Fourth Proportional to 440,356.43, 607,694.20 and 246,764.58

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Solution

The fourth proportional to 440,356.43, 607,694.20 and 246,764.58 is: 340,536.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,356.43 : 607,694.20 = 246,764.58 : x
  2. Step 2: Convert to fraction form
    440,356.43/607,694.20 = 246,764.58/x
  3. Step 3: Cross multiply
    440,356.43x = 607,694.20 × 246,764.58
  4. Step 4: Simplify right side
    440,356.43x = 149,957,401,135.67
  5. Step 5: Solve for x
    x = 149,957,401,135.67/440,356.43
  6. Step 6: Final answer
    x = 340,536.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.