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Finding the Fourth Proportional to 599,321.48, 899,016.76 and 225,347.72

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Solution

The fourth proportional to 599,321.48, 899,016.76 and 225,347.72 is: 338,034.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,321.48 : 899,016.76 = 225,347.72 : x
  2. Step 2: Convert to fraction form
    599,321.48/899,016.76 = 225,347.72/x
  3. Step 3: Cross multiply
    599,321.48x = 899,016.76 × 225,347.72
  4. Step 4: Simplify right side
    599,321.48x = 202,591,377,107.79
  5. Step 5: Solve for x
    x = 202,591,377,107.79/599,321.48
  6. Step 6: Final answer
    x = 338,034.57

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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.