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Finding the Fourth Proportional to 375,338.24, 517,968.17 and 203,256.28

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Solution

The fourth proportional to 375,338.24, 517,968.17 and 203,256.28 is: 280,494.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,338.24 : 517,968.17 = 203,256.28 : x
  2. Step 2: Convert to fraction form
    375,338.24/517,968.17 = 203,256.28/x
  3. Step 3: Cross multiply
    375,338.24x = 517,968.17 × 203,256.28
  4. Step 4: Simplify right side
    375,338.24x = 105,280,282,605.83
  5. Step 5: Solve for x
    x = 105,280,282,605.83/375,338.24
  6. Step 6: Final answer
    x = 280,494.43

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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.