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Finding the Fourth Proportional to 330,818.10, 496,227.15 and 301,949.70

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Solution

The fourth proportional to 330,818.10, 496,227.15 and 301,949.70 is: 452,924.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,818.10 : 496,227.15 = 301,949.70 : x
  2. Step 2: Convert to fraction form
    330,818.10/496,227.15 = 301,949.70/x
  3. Step 3: Cross multiply
    330,818.10x = 496,227.15 × 301,949.70
  4. Step 4: Simplify right side
    330,818.10x = 149,835,639,074.36
  5. Step 5: Solve for x
    x = 149,835,639,074.36/330,818.10
  6. Step 6: Final answer
    x = 452,924.55

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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.