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Finding the Fourth Proportional to 537,658.56, 806,985.99 and 271,606.37

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Solution

The fourth proportional to 537,658.56, 806,985.99 and 271,606.37 is: 407,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,658.56 : 806,985.99 = 271,606.37 : x
  2. Step 2: Convert to fraction form
    537,658.56/806,985.99 = 271,606.37/x
  3. Step 3: Cross multiply
    537,658.56x = 806,985.99 × 271,606.37
  4. Step 4: Simplify right side
    537,658.56x = 219,182,531,349.83
  5. Step 5: Solve for x
    x = 219,182,531,349.83/537,658.56
  6. Step 6: Final answer
    x = 407,661.20

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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.