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Finding the Fourth Proportional to 493,662.36, 681,256.26 and 267,309.48

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Solution

The fourth proportional to 493,662.36, 681,256.26 and 267,309.48 is: 368,888.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,662.36 : 681,256.26 = 267,309.48 : x
  2. Step 2: Convert to fraction form
    493,662.36/681,256.26 = 267,309.48/x
  3. Step 3: Cross multiply
    493,662.36x = 681,256.26 × 267,309.48
  4. Step 4: Simplify right side
    493,662.36x = 182,106,256,607.35
  5. Step 5: Solve for x
    x = 182,106,256,607.35/493,662.36
  6. Step 6: Final answer
    x = 368,888.28

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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.