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Finding the Fourth Proportional to 493,523.02, 681,064.80 and 267,168.52

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Solution

The fourth proportional to 493,523.02, 681,064.80 and 267,168.52 is: 368,694.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,523.02 : 681,064.80 = 267,168.52 : x
  2. Step 2: Convert to fraction form
    493,523.02/681,064.80 = 267,168.52/x
  3. Step 3: Cross multiply
    493,523.02x = 681,064.80 × 267,168.52
  4. Step 4: Simplify right side
    493,523.02x = 181,959,074,640.10
  5. Step 5: Solve for x
    x = 181,959,074,640.10/493,523.02
  6. Step 6: Final answer
    x = 368,694.20

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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.