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Finding the Fourth Proportional to 439,370.71, 659,049.91 and 173,133.54

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Solution

The fourth proportional to 439,370.71, 659,049.91 and 173,133.54 is: 259,697.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,370.71 : 659,049.91 = 173,133.54 : x
  2. Step 2: Convert to fraction form
    439,370.71/659,049.91 = 173,133.54/x
  3. Step 3: Cross multiply
    439,370.71x = 659,049.91 × 173,133.54
  4. Step 4: Simplify right side
    439,370.71x = 114,103,643,954.98
  5. Step 5: Solve for x
    x = 114,103,643,954.98/439,370.71
  6. Step 6: Final answer
    x = 259,697.88

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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.