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Finding the Fourth Proportional to 599,405.92, 899,242.80 and 225,432.16

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Solution

The fourth proportional to 599,405.92, 899,242.80 and 225,432.16 is: 338,198.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,405.92 : 899,242.80 = 225,432.16 : x
  2. Step 2: Convert to fraction form
    599,405.92/899,242.80 = 225,432.16/x
  3. Step 3: Cross multiply
    599,405.92x = 899,242.80 × 225,432.16
  4. Step 4: Simplify right side
    599,405.92x = 202,718,246,768.45
  5. Step 5: Solve for x
    x = 202,718,246,768.45/599,405.92
  6. Step 6: Final answer
    x = 338,198.61

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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.