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Finding the Fourth Proportional to 491,803.30, 737,704.95 and 488,692.90

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Solution

The fourth proportional to 491,803.30, 737,704.95 and 488,692.90 is: 733,039.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,803.30 : 737,704.95 = 488,692.90 : x
  2. Step 2: Convert to fraction form
    491,803.30/737,704.95 = 488,692.90/x
  3. Step 3: Cross multiply
    491,803.30x = 737,704.95 × 488,692.90
  4. Step 4: Simplify right side
    491,803.30x = 360,511,171,359.86
  5. Step 5: Solve for x
    x = 360,511,171,359.86/491,803.30
  6. Step 6: Final answer
    x = 733,039.35

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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.