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Finding the Fourth Proportional to 363,310.56, 501,292.80 and 220,080.96

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Solution

The fourth proportional to 363,310.56, 501,292.80 and 220,080.96 is: 303,665.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,310.56 : 501,292.80 = 220,080.96 : x
  2. Step 2: Convert to fraction form
    363,310.56/501,292.80 = 220,080.96/x
  3. Step 3: Cross multiply
    363,310.56x = 501,292.80 × 220,080.96
  4. Step 4: Simplify right side
    363,310.56x = 110,325,000,665.09
  5. Step 5: Solve for x
    x = 110,325,000,665.09/363,310.56
  6. Step 6: Final answer
    x = 303,665.82

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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.