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Finding the Fourth Proportional to 546,410.61, 754,049.05 and 304,692.44

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Solution

The fourth proportional to 546,410.61, 754,049.05 and 304,692.44 is: 420,476.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,410.61 : 754,049.05 = 304,692.44 : x
  2. Step 2: Convert to fraction form
    546,410.61/754,049.05 = 304,692.44/x
  3. Step 3: Cross multiply
    546,410.61x = 754,049.05 × 304,692.44
  4. Step 4: Simplify right side
    546,410.61x = 229,753,040,392.21
  5. Step 5: Solve for x
    x = 229,753,040,392.21/546,410.61
  6. Step 6: Final answer
    x = 420,476.90

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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.