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Finding the Fourth Proportional to 375,954.08, 518,849.43 and 206,221.01

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Solution

The fourth proportional to 375,954.08, 518,849.43 and 206,221.01 is: 284,602.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,954.08 : 518,849.43 = 206,221.01 : x
  2. Step 2: Convert to fraction form
    375,954.08/518,849.43 = 206,221.01/x
  3. Step 3: Cross multiply
    375,954.08x = 518,849.43 × 206,221.01
  4. Step 4: Simplify right side
    375,954.08x = 106,997,650,898.28
  5. Step 5: Solve for x
    x = 106,997,650,898.28/375,954.08
  6. Step 6: Final answer
    x = 284,602.98

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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.