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Finding the Fourth Proportional to 485,108.84, 664,601.50 and 466,927.37

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Solution

The fourth proportional to 485,108.84, 664,601.50 and 466,927.37 is: 639,692.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,108.84 : 664,601.50 = 466,927.37 : x
  2. Step 2: Convert to fraction form
    485,108.84/664,601.50 = 466,927.37/x
  3. Step 3: Cross multiply
    485,108.84x = 664,601.50 × 466,927.37
  4. Step 4: Simplify right side
    485,108.84x = 310,320,630,493.06
  5. Step 5: Solve for x
    x = 310,320,630,493.06/485,108.84
  6. Step 6: Final answer
    x = 639,692.80

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.