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Finding the Fourth Proportional to 616,696.52, 925,144.47 and 190,132.49

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Solution

The fourth proportional to 616,696.52, 925,144.47 and 190,132.49 is: 285,229.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,696.52 : 925,144.47 = 190,132.49 : x
  2. Step 2: Convert to fraction form
    616,696.52/925,144.47 = 190,132.49/x
  3. Step 3: Cross multiply
    616,696.52x = 925,144.47 × 190,132.49
  4. Step 4: Simplify right side
    616,696.52x = 175,900,024,003.69
  5. Step 5: Solve for x
    x = 175,900,024,003.69/616,696.52
  6. Step 6: Final answer
    x = 285,229.48

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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.