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Finding the Fourth Proportional to 371,866.34, 557,839.18 and 119,056.44

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Solution

The fourth proportional to 371,866.34, 557,839.18 and 119,056.44 is: 178,597.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,866.34 : 557,839.18 = 119,056.44 : x
  2. Step 2: Convert to fraction form
    371,866.34/557,839.18 = 119,056.44/x
  3. Step 3: Cross multiply
    371,866.34x = 557,839.18 × 119,056.44
  4. Step 4: Simplify right side
    371,866.34x = 66,414,346,863.32
  5. Step 5: Solve for x
    x = 66,414,346,863.32/371,866.34
  6. Step 6: Final answer
    x = 178,597.36

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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.