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Finding the Fourth Proportional to 216,708.54, 324,622.17 and 176,869.50

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Solution

The fourth proportional to 216,708.54, 324,622.17 and 176,869.50 is: 264,944.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,708.54 : 324,622.17 = 176,869.50 : x
  2. Step 2: Convert to fraction form
    216,708.54/324,622.17 = 176,869.50/x
  3. Step 3: Cross multiply
    216,708.54x = 324,622.17 × 176,869.50
  4. Step 4: Simplify right side
    216,708.54x = 57,415,760,896.82
  5. Step 5: Solve for x
    x = 57,415,760,896.82/216,708.54
  6. Step 6: Final answer
    x = 264,944.62

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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.