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Finding the Fourth Proportional to 371,794.32, 557,704.56 and 119,082.48

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Solution

The fourth proportional to 371,794.32, 557,704.56 and 119,082.48 is: 178,627.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,794.32 : 557,704.56 = 119,082.48 : x
  2. Step 2: Convert to fraction form
    371,794.32/557,704.56 = 119,082.48/x
  3. Step 3: Cross multiply
    371,794.32x = 557,704.56 × 119,082.48
  4. Step 4: Simplify right side
    371,794.32x = 66,412,842,112.11
  5. Step 5: Solve for x
    x = 66,412,842,112.11/371,794.32
  6. Step 6: Final answer
    x = 178,627.91

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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.