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Finding the Fourth Proportional to 633,831.36, 951,696.76 and 548,704.78

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Solution

The fourth proportional to 633,831.36, 951,696.76 and 548,704.78 is: 823,879.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,831.36 : 951,696.76 = 548,704.78 : x
  2. Step 2: Convert to fraction form
    633,831.36/951,696.76 = 548,704.78/x
  3. Step 3: Cross multiply
    633,831.36x = 951,696.76 × 548,704.78
  4. Step 4: Simplify right side
    633,831.36x = 522,200,561,322.51
  5. Step 5: Solve for x
    x = 522,200,561,322.51/633,831.36
  6. Step 6: Final answer
    x = 823,879.34

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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.