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Finding the Fourth Proportional to 607,847.32, 838,786.80 and 335,910.34

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Solution

The fourth proportional to 607,847.32, 838,786.80 and 335,910.34 is: 463,532.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,847.32 : 838,786.80 = 335,910.34 : x
  2. Step 2: Convert to fraction form
    607,847.32/838,786.80 = 335,910.34/x
  3. Step 3: Cross multiply
    607,847.32x = 838,786.80 × 335,910.34
  4. Step 4: Simplify right side
    607,847.32x = 281,757,159,175.51
  5. Step 5: Solve for x
    x = 281,757,159,175.51/607,847.32
  6. Step 6: Final answer
    x = 463,532.78

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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.