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Finding the Fourth Proportional to 468,766.62, 646,898.13 and 253,906.02

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Solution

The fourth proportional to 468,766.62, 646,898.13 and 253,906.02 is: 350,390.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,766.62 : 646,898.13 = 253,906.02 : x
  2. Step 2: Convert to fraction form
    468,766.62/646,898.13 = 253,906.02/x
  3. Step 3: Cross multiply
    468,766.62x = 646,898.13 × 253,906.02
  4. Step 4: Simplify right side
    468,766.62x = 164,251,331,007.46
  5. Step 5: Solve for x
    x = 164,251,331,007.46/468,766.62
  6. Step 6: Final answer
    x = 350,390.41

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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.