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Finding the Fourth Proportional to 356,092.20, 534,211.20 and 119,604.60

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Solution

The fourth proportional to 356,092.20, 534,211.20 and 119,604.60 is: 179,431.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,092.20 : 534,211.20 = 119,604.60 : x
  2. Step 2: Convert to fraction form
    356,092.20/534,211.20 = 119,604.60/x
  3. Step 3: Cross multiply
    356,092.20x = 534,211.20 × 119,604.60
  4. Step 4: Simplify right side
    356,092.20x = 63,894,116,891.52
  5. Step 5: Solve for x
    x = 63,894,116,891.52/356,092.20
  6. Step 6: Final answer
    x = 179,431.39

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1.5x scale

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.