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Finding the Fourth Proportional to 599,419.44, 899,007.12 and 220,209.84

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Solution

The fourth proportional to 599,419.44, 899,007.12 and 220,209.84 is: 330,269.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,419.44 : 899,007.12 = 220,209.84 : x
  2. Step 2: Convert to fraction form
    599,419.44/899,007.12 = 220,209.84/x
  3. Step 3: Cross multiply
    599,419.44x = 899,007.12 × 220,209.84
  4. Step 4: Simplify right side
    599,419.44x = 197,970,214,054.06
  5. Step 5: Solve for x
    x = 197,970,214,054.06/599,419.44
  6. Step 6: Final answer
    x = 330,269.93

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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.