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Finding the Fourth Proportional to 466,285.20, 699,773.40 and 308,461.20

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Solution

The fourth proportional to 466,285.20, 699,773.40 and 308,461.20 is: 462,920.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,285.20 : 699,773.40 = 308,461.20 : x
  2. Step 2: Convert to fraction form
    466,285.20/699,773.40 = 308,461.20/x
  3. Step 3: Cross multiply
    466,285.20x = 699,773.40 × 308,461.20
  4. Step 4: Simplify right side
    466,285.20x = 215,852,942,692.08
  5. Step 5: Solve for x
    x = 215,852,942,692.08/466,285.20
  6. Step 6: Final answer
    x = 462,920.42

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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.