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Finding the Fourth Proportional to 371,796.32, 557,707.56 and 119,084.48

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Solution

The fourth proportional to 371,796.32, 557,707.56 and 119,084.48 is: 178,630.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,796.32 : 557,707.56 = 119,084.48 : x
  2. Step 2: Convert to fraction form
    371,796.32/557,707.56 = 119,084.48/x
  3. Step 3: Cross multiply
    371,796.32x = 557,707.56 × 119,084.48
  4. Step 4: Simplify right side
    371,796.32x = 66,414,314,774.67
  5. Step 5: Solve for x
    x = 66,414,314,774.67/371,796.32
  6. Step 6: Final answer
    x = 178,630.91

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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.