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Finding the Fourth Proportional to 283,756.72, 424,380.12 and 252,387.04

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Solution

The fourth proportional to 283,756.72, 424,380.12 and 252,387.04 is: 377,464.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,756.72 : 424,380.12 = 252,387.04 : x
  2. Step 2: Convert to fraction form
    283,756.72/424,380.12 = 252,387.04/x
  3. Step 3: Cross multiply
    283,756.72x = 424,380.12 × 252,387.04
  4. Step 4: Simplify right side
    283,756.72x = 107,108,042,321.65
  5. Step 5: Solve for x
    x = 107,108,042,321.65/283,756.72
  6. Step 6: Final answer
    x = 377,464.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.