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Finding the Fourth Proportional to 330,793.80, 496,449.90 and 153,322.80

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Solution

The fourth proportional to 330,793.80, 496,449.90 and 153,322.80 is: 230,104.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,793.80 : 496,449.90 = 153,322.80 : x
  2. Step 2: Convert to fraction form
    330,793.80/496,449.90 = 153,322.80/x
  3. Step 3: Cross multiply
    330,793.80x = 496,449.90 × 153,322.80
  4. Step 4: Simplify right side
    330,793.80x = 76,117,088,727.72
  5. Step 5: Solve for x
    x = 76,117,088,727.72/330,793.80
  6. Step 6: Final answer
    x = 230,104.34

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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.