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Finding the Fourth Proportional to 416,481.84, 624,717.18 and 100,941.48

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Solution

The fourth proportional to 416,481.84, 624,717.18 and 100,941.48 is: 151,410.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,481.84 : 624,717.18 = 100,941.48 : x
  2. Step 2: Convert to fraction form
    416,481.84/624,717.18 = 100,941.48/x
  3. Step 3: Cross multiply
    416,481.84x = 624,717.18 × 100,941.48
  4. Step 4: Simplify right side
    416,481.84x = 63,059,876,730.63
  5. Step 5: Solve for x
    x = 63,059,876,730.63/416,481.84
  6. Step 6: Final answer
    x = 151,410.87

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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.