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Finding the Fourth Proportional to 375,788.96, 518,588.64 and 206,019.44

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Solution

The fourth proportional to 375,788.96, 518,588.64 and 206,019.44 is: 284,306.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,788.96 : 518,588.64 = 206,019.44 : x
  2. Step 2: Convert to fraction form
    375,788.96/518,588.64 = 206,019.44/x
  3. Step 3: Cross multiply
    375,788.96x = 518,588.64 × 206,019.44
  4. Step 4: Simplify right side
    375,788.96x = 106,839,341,203.16
  5. Step 5: Solve for x
    x = 106,839,341,203.16/375,788.96
  6. Step 6: Final answer
    x = 284,306.76

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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.