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Finding the Fourth Proportional to 303,500.74, 418,831.11 and 167,534.80

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Solution

The fourth proportional to 303,500.74, 418,831.11 and 167,534.80 is: 231,198.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,500.74 : 418,831.11 = 167,534.80 : x
  2. Step 2: Convert to fraction form
    303,500.74/418,831.11 = 167,534.80/x
  3. Step 3: Cross multiply
    303,500.74x = 418,831.11 × 167,534.80
  4. Step 4: Simplify right side
    303,500.74x = 70,168,786,247.63
  5. Step 5: Solve for x
    x = 70,168,786,247.63/303,500.74
  6. Step 6: Final answer
    x = 231,198.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.