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Finding the Fourth Proportional to 468,717.27, 646,826.61 and 253,852.41

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Solution

The fourth proportional to 468,717.27, 646,826.61 and 253,852.41 is: 350,314.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,717.27 : 646,826.61 = 253,852.41 : x
  2. Step 2: Convert to fraction form
    468,717.27/646,826.61 = 253,852.41/x
  3. Step 3: Cross multiply
    468,717.27x = 646,826.61 × 253,852.41
  4. Step 4: Simplify right side
    468,717.27x = 164,198,493,800.63
  5. Step 5: Solve for x
    x = 164,198,493,800.63/468,717.27
  6. Step 6: Final answer
    x = 350,314.58

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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.