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Finding the Fourth Proportional to 611,991.41, 844,531.36 and 340,052.32

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Solution

The fourth proportional to 611,991.41, 844,531.36 and 340,052.32 is: 469,262.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,991.41 : 844,531.36 = 340,052.32 : x
  2. Step 2: Convert to fraction form
    611,991.41/844,531.36 = 340,052.32/x
  3. Step 3: Cross multiply
    611,991.41x = 844,531.36 × 340,052.32
  4. Step 4: Simplify right side
    611,991.41x = 287,184,842,357.84
  5. Step 5: Solve for x
    x = 287,184,842,357.84/611,991.41
  6. Step 6: Final answer
    x = 469,262.86

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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.