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Finding the Fourth Proportional to 537,777.78, 807,165.44 and 271,725.14

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Solution

The fourth proportional to 537,777.78, 807,165.44 and 271,725.14 is: 407,839.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,777.78 : 807,165.44 = 271,725.14 : x
  2. Step 2: Convert to fraction form
    537,777.78/807,165.44 = 271,725.14/x
  3. Step 3: Cross multiply
    537,777.78x = 807,165.44 × 271,725.14
  4. Step 4: Simplify right side
    537,777.78x = 219,327,142,187.16
  5. Step 5: Solve for x
    x = 219,327,142,187.16/537,777.78
  6. Step 6: Final answer
    x = 407,839.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.