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Finding the Fourth Proportional to 330,404.70, 455,930.22 and 183,234.30

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Solution

The fourth proportional to 330,404.70, 455,930.22 and 183,234.30 is: 252,847.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,404.70 : 455,930.22 = 183,234.30 : x
  2. Step 2: Convert to fraction form
    330,404.70/455,930.22 = 183,234.30/x
  3. Step 3: Cross multiply
    330,404.70x = 455,930.22 × 183,234.30
  4. Step 4: Simplify right side
    330,404.70x = 83,542,054,710.55
  5. Step 5: Solve for x
    x = 83,542,054,710.55/330,404.70
  6. Step 6: Final answer
    x = 252,847.66

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1.5x scale

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.