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Finding the Fourth Proportional to 540,777.11, 811,253.14 and 225,265.91

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Solution

The fourth proportional to 540,777.11, 811,253.14 and 225,265.91 is: 337,935.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,777.11 : 811,253.14 = 225,265.91 : x
  2. Step 2: Convert to fraction form
    540,777.11/811,253.14 = 225,265.91/x
  3. Step 3: Cross multiply
    540,777.11x = 811,253.14 × 225,265.91
  4. Step 4: Simplify right side
    540,777.11x = 182,747,672,203.03
  5. Step 5: Solve for x
    x = 182,747,672,203.03/540,777.11
  6. Step 6: Final answer
    x = 337,935.30

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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.