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Finding the Fourth Proportional to 607,843.23, 838,781.64 and 335,908.50

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Solution

The fourth proportional to 607,843.23, 838,781.64 and 335,908.50 is: 463,530.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,843.23 : 838,781.64 = 335,908.50 : x
  2. Step 2: Convert to fraction form
    607,843.23/838,781.64 = 335,908.50/x
  3. Step 3: Cross multiply
    607,843.23x = 838,781.64 × 335,908.50
  4. Step 4: Simplify right side
    607,843.23x = 281,753,882,519.94
  5. Step 5: Solve for x
    x = 281,753,882,519.94/607,843.23
  6. Step 6: Final answer
    x = 463,530.51

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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.