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Finding the Fourth Proportional to 399,594.13, 599,391.20 and 162,955.27

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Solution

The fourth proportional to 399,594.13, 599,391.20 and 162,955.27 is: 244,432.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,594.13 : 599,391.20 = 162,955.27 : x
  2. Step 2: Convert to fraction form
    399,594.13/599,391.20 = 162,955.27/x
  3. Step 3: Cross multiply
    399,594.13x = 599,391.20 × 162,955.27
  4. Step 4: Simplify right side
    399,594.13x = 97,673,954,831.62
  5. Step 5: Solve for x
    x = 97,673,954,831.62/399,594.13
  6. Step 6: Final answer
    x = 244,432.91

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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.