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Finding the Fourth Proportional to 451,953.22, 623,734.18 and 248,043.56

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Solution

The fourth proportional to 451,953.22, 623,734.18 and 248,043.56 is: 342,321.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,953.22 : 623,734.18 = 248,043.56 : x
  2. Step 2: Convert to fraction form
    451,953.22/623,734.18 = 248,043.56/x
  3. Step 3: Cross multiply
    451,953.22x = 623,734.18 × 248,043.56
  4. Step 4: Simplify right side
    451,953.22x = 154,713,243,375.06
  5. Step 5: Solve for x
    x = 154,713,243,375.06/451,953.22
  6. Step 6: Final answer
    x = 342,321.37

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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.