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Finding the Fourth Proportional to 371,797.29, 557,679.53 and 119,089.44

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Solution

The fourth proportional to 371,797.29, 557,679.53 and 119,089.44 is: 178,628.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,797.29 : 557,679.53 = 119,089.44 : x
  2. Step 2: Convert to fraction form
    371,797.29/557,679.53 = 119,089.44/x
  3. Step 3: Cross multiply
    371,797.29x = 557,679.53 × 119,089.44
  4. Step 4: Simplify right side
    371,797.29x = 66,413,743,224.89
  5. Step 5: Solve for x
    x = 66,413,743,224.89/371,797.29
  6. Step 6: Final answer
    x = 178,628.91

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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.