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Finding the Fourth Proportional to 474,257.72, 654,496.62 and 273,118.52

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Solution

The fourth proportional to 474,257.72, 654,496.62 and 273,118.52 is: 376,915.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,257.72 : 654,496.62 = 273,118.52 : x
  2. Step 2: Convert to fraction form
    474,257.72/654,496.62 = 273,118.52/x
  3. Step 3: Cross multiply
    474,257.72x = 654,496.62 × 273,118.52
  4. Step 4: Simplify right side
    474,257.72x = 178,755,148,199.40
  5. Step 5: Solve for x
    x = 178,755,148,199.40/474,257.72
  6. Step 6: Final answer
    x = 376,915.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.