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Finding the Fourth Proportional to 534,163.40, 800,856.30 and 218,457.80

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Solution

The fourth proportional to 534,163.40, 800,856.30 and 218,457.80 is: 327,527.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,163.40 : 800,856.30 = 218,457.80 : x
  2. Step 2: Convert to fraction form
    534,163.40/800,856.30 = 218,457.80/x
  3. Step 3: Cross multiply
    534,163.40x = 800,856.30 × 218,457.80
  4. Step 4: Simplify right side
    534,163.40x = 174,953,305,414.14
  5. Step 5: Solve for x
    x = 174,953,305,414.14/534,163.40
  6. Step 6: Final answer
    x = 327,527.69

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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.