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Finding the Fourth Proportional to 468,621.44, 646,700.64 and 253,761.52

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Solution

The fourth proportional to 468,621.44, 646,700.64 and 253,761.52 is: 350,192.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,621.44 : 646,700.64 = 253,761.52 : x
  2. Step 2: Convert to fraction form
    468,621.44/646,700.64 = 253,761.52/x
  3. Step 3: Cross multiply
    468,621.44x = 646,700.64 × 253,761.52
  4. Step 4: Simplify right side
    468,621.44x = 164,107,737,391.37
  5. Step 5: Solve for x
    x = 164,107,737,391.37/468,621.44
  6. Step 6: Final answer
    x = 350,192.55

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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.