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Finding the Fourth Proportional to 601,481.70, 901,273.32 and 221,880.06

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Solution

The fourth proportional to 601,481.70, 901,273.32 and 221,880.06 is: 332,469.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,481.70 : 901,273.32 = 221,880.06 : x
  2. Step 2: Convert to fraction form
    601,481.70/901,273.32 = 221,880.06/x
  3. Step 3: Cross multiply
    601,481.70x = 901,273.32 × 221,880.06
  4. Step 4: Simplify right side
    601,481.70x = 199,974,578,318.00
  5. Step 5: Solve for x
    x = 199,974,578,318.00/601,481.70
  6. Step 6: Final answer
    x = 332,469.93

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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.