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Finding the Fourth Proportional to 360,987.78, 541,792.71 and 250,257.54

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Solution

The fourth proportional to 360,987.78, 541,792.71 and 250,257.54 is: 375,601.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,987.78 : 541,792.71 = 250,257.54 : x
  2. Step 2: Convert to fraction form
    360,987.78/541,792.71 = 250,257.54/x
  3. Step 3: Cross multiply
    360,987.78x = 541,792.71 × 250,257.54
  4. Step 4: Simplify right side
    360,987.78x = 135,587,710,794.53
  5. Step 5: Solve for x
    x = 135,587,710,794.53/360,987.78
  6. Step 6: Final answer
    x = 375,601.94

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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.