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Finding the Fourth Proportional to 483,055.54, 724,606.61 and 158,836.46

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Solution

The fourth proportional to 483,055.54, 724,606.61 and 158,836.46 is: 238,262.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,055.54 : 724,606.61 = 158,836.46 : x
  2. Step 2: Convert to fraction form
    483,055.54/724,606.61 = 158,836.46/x
  3. Step 3: Cross multiply
    483,055.54x = 724,606.61 × 158,836.46
  4. Step 4: Simplify right side
    483,055.54x = 115,093,945,201.97
  5. Step 5: Solve for x
    x = 115,093,945,201.97/483,055.54
  6. Step 6: Final answer
    x = 238,262.34

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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.