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Finding the Fourth Proportional to 416,645.44, 624,781.32 and 248,245.06

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Solution

The fourth proportional to 416,645.44, 624,781.32 and 248,245.06 is: 372,256.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,645.44 : 624,781.32 = 248,245.06 : x
  2. Step 2: Convert to fraction form
    416,645.44/624,781.32 = 248,245.06/x
  3. Step 3: Cross multiply
    416,645.44x = 624,781.32 × 248,245.06
  4. Step 4: Simplify right side
    416,645.44x = 155,098,876,270.28
  5. Step 5: Solve for x
    x = 155,098,876,270.28/416,645.44
  6. Step 6: Final answer
    x = 372,256.27

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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.