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Finding the Fourth Proportional to 271,321.47, 374,435.73 and 150,454.64

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Solution

The fourth proportional to 271,321.47, 374,435.73 and 150,454.64 is: 207,634.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,321.47 : 374,435.73 = 150,454.64 : x
  2. Step 2: Convert to fraction form
    271,321.47/374,435.73 = 150,454.64/x
  3. Step 3: Cross multiply
    271,321.47x = 374,435.73 × 150,454.64
  4. Step 4: Simplify right side
    271,321.47x = 56,335,592,960.29
  5. Step 5: Solve for x
    x = 56,335,592,960.29/271,321.47
  6. Step 6: Final answer
    x = 207,634.11

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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.