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Finding the Fourth Proportional to 468,672.33, 646,764.39 and 253,807.41

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Solution

The fourth proportional to 468,672.33, 646,764.39 and 253,807.41 is: 350,252.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,672.33 : 646,764.39 = 253,807.41 : x
  2. Step 2: Convert to fraction form
    468,672.33/646,764.39 = 253,807.41/x
  3. Step 3: Cross multiply
    468,672.33x = 646,764.39 × 253,807.41
  4. Step 4: Simplify right side
    468,672.33x = 164,153,594,706.13
  5. Step 5: Solve for x
    x = 164,153,594,706.13/468,672.33
  6. Step 6: Final answer
    x = 350,252.37

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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.