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Finding the Fourth Proportional to 375,953.82, 518,824.35 and 206,187.54

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Solution

The fourth proportional to 375,953.82, 518,824.35 and 206,187.54 is: 284,543.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,953.82 : 518,824.35 = 206,187.54 : x
  2. Step 2: Convert to fraction form
    375,953.82/518,824.35 = 206,187.54/x
  3. Step 3: Cross multiply
    375,953.82x = 518,824.35 × 206,187.54
  4. Step 4: Simplify right side
    375,953.82x = 106,975,116,418.60
  5. Step 5: Solve for x
    x = 106,975,116,418.60/375,953.82
  6. Step 6: Final answer
    x = 284,543.24

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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.