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Finding the Fourth Proportional to 439,502.82, 659,352.24 and 186,791.28

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Solution

The fourth proportional to 439,502.82, 659,352.24 and 186,791.28 is: 280,228.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,502.82 : 659,352.24 = 186,791.28 : x
  2. Step 2: Convert to fraction form
    439,502.82/659,352.24 = 186,791.28/x
  3. Step 3: Cross multiply
    439,502.82x = 659,352.24 × 186,791.28
  4. Step 4: Simplify right side
    439,502.82x = 123,161,248,880.47
  5. Step 5: Solve for x
    x = 123,161,248,880.47/439,502.82
  6. Step 6: Final answer
    x = 280,228.57

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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.