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Finding the Fourth Proportional to 271,580.80, 374,964.24 and 207,804.64

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Solution

The fourth proportional to 271,580.80, 374,964.24 and 207,804.64 is: 286,910.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,580.80 : 374,964.24 = 207,804.64 : x
  2. Step 2: Convert to fraction form
    271,580.80/374,964.24 = 207,804.64/x
  3. Step 3: Cross multiply
    271,580.80x = 374,964.24 × 207,804.64
  4. Step 4: Simplify right side
    271,580.80x = 77,919,308,906.07
  5. Step 5: Solve for x
    x = 77,919,308,906.07/271,580.80
  6. Step 6: Final answer
    x = 286,910.23

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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.