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Finding the Fourth Proportional to 468,557.54, 646,606.46 and 253,696.94

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Solution

The fourth proportional to 468,557.54, 646,606.46 and 253,696.94 is: 350,100.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,557.54 : 646,606.46 = 253,696.94 : x
  2. Step 2: Convert to fraction form
    468,557.54/646,606.46 = 253,696.94/x
  3. Step 3: Cross multiply
    468,557.54x = 646,606.46 × 253,696.94
  4. Step 4: Simplify right side
    468,557.54x = 164,042,080,286.23
  5. Step 5: Solve for x
    x = 164,042,080,286.23/468,557.54
  6. Step 6: Final answer
    x = 350,100.18

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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.