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Finding the Fourth Proportional to 493,831.92, 740,187.90 and 227,041.68

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Solution

The fourth proportional to 493,831.92, 740,187.90 and 227,041.68 is: 340,305.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,831.92 : 740,187.90 = 227,041.68 : x
  2. Step 2: Convert to fraction form
    493,831.92/740,187.90 = 227,041.68/x
  3. Step 3: Cross multiply
    493,831.92x = 740,187.90 × 227,041.68
  4. Step 4: Simplify right side
    493,831.92x = 168,053,504,331.67
  5. Step 5: Solve for x
    x = 168,053,504,331.67/493,831.92
  6. Step 6: Final answer
    x = 340,305.07

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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.