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Finding the Fourth Proportional to 366,546.80, 505,833.81 and 223,306.76

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Solution

The fourth proportional to 366,546.80, 505,833.81 and 223,306.76 is: 308,162.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,546.80 : 505,833.81 = 223,306.76 : x
  2. Step 2: Convert to fraction form
    366,546.80/505,833.81 = 223,306.76/x
  3. Step 3: Cross multiply
    366,546.80x = 505,833.81 × 223,306.76
  4. Step 4: Simplify right side
    366,546.80x = 112,956,109,209.56
  5. Step 5: Solve for x
    x = 112,956,109,209.56/366,546.80
  6. Step 6: Final answer
    x = 308,162.86

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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.