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Finding the Fourth Proportional to 375,911.04, 518,757.04 and 206,148.84

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Solution

The fourth proportional to 375,911.04, 518,757.04 and 206,148.84 is: 284,485.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,911.04 : 518,757.04 = 206,148.84 : x
  2. Step 2: Convert to fraction form
    375,911.04/518,757.04 = 206,148.84/x
  3. Step 3: Cross multiply
    375,911.04x = 518,757.04 × 206,148.84
  4. Step 4: Simplify right side
    375,911.04x = 106,941,162,037.83
  5. Step 5: Solve for x
    x = 106,941,162,037.83/375,911.04
  6. Step 6: Final answer
    x = 284,485.29

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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.