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Finding the Fourth Proportional to 500,860.50, 751,378.24 and 220,370.46

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Solution

The fourth proportional to 500,860.50, 751,378.24 and 220,370.46 is: 330,594.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,860.50 : 751,378.24 = 220,370.46 : x
  2. Step 2: Convert to fraction form
    500,860.50/751,378.24 = 220,370.46/x
  3. Step 3: Cross multiply
    500,860.50x = 751,378.24 × 220,370.46
  4. Step 4: Simplify right side
    500,860.50x = 165,581,568,382.79
  5. Step 5: Solve for x
    x = 165,581,568,382.79/500,860.50
  6. Step 6: Final answer
    x = 330,594.18

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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.