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Finding the Fourth Proportional to 451,954.22, 623,735.56 and 248,044.56

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Solution

The fourth proportional to 451,954.22, 623,735.56 and 248,044.56 is: 342,322.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,954.22 : 623,735.56 = 248,044.56 : x
  2. Step 2: Convert to fraction form
    451,954.22/623,735.56 = 248,044.56/x
  3. Step 3: Cross multiply
    451,954.22x = 623,735.56 × 248,044.56
  4. Step 4: Simplify right side
    451,954.22x = 154,714,212,536.55
  5. Step 5: Solve for x
    x = 154,714,212,536.55/451,954.22
  6. Step 6: Final answer
    x = 342,322.75

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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.