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Finding the Fourth Proportional to 400,966.41, 601,449.41 and 374,394.39

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Solution

The fourth proportional to 400,966.41, 601,449.41 and 374,394.39 is: 561,591.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,966.41 : 601,449.41 = 374,394.39 : x
  2. Step 2: Convert to fraction form
    400,966.41/601,449.41 = 374,394.39/x
  3. Step 3: Cross multiply
    400,966.41x = 601,449.41 × 374,394.39
  4. Step 4: Simplify right side
    400,966.41x = 225,179,283,100.84
  5. Step 5: Solve for x
    x = 225,179,283,100.84/400,966.41
  6. Step 6: Final answer
    x = 561,591.39

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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.