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Finding the Fourth Proportional to 599,350.07, 899,379.78 and 220,536.81

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Solution

The fourth proportional to 599,350.07, 899,379.78 and 220,536.81 is: 330,935.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,350.07 : 899,379.78 = 220,536.81 : x
  2. Step 2: Convert to fraction form
    599,350.07/899,379.78 = 220,536.81/x
  3. Step 3: Cross multiply
    599,350.07x = 899,379.78 × 220,536.81
  4. Step 4: Simplify right side
    599,350.07x = 198,346,347,659.70
  5. Step 5: Solve for x
    x = 198,346,347,659.70/599,350.07
  6. Step 6: Final answer
    x = 330,935.72

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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.