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Finding the Fourth Proportional to 439,229.94, 658,844.91 and 106,803.06

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Solution

The fourth proportional to 439,229.94, 658,844.91 and 106,803.06 is: 160,204.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,229.94 : 658,844.91 = 106,803.06 : x
  2. Step 2: Convert to fraction form
    439,229.94/658,844.91 = 106,803.06/x
  3. Step 3: Cross multiply
    439,229.94x = 658,844.91 × 106,803.06
  4. Step 4: Simplify right side
    439,229.94x = 70,366,652,453.42
  5. Step 5: Solve for x
    x = 70,366,652,453.42/439,229.94
  6. Step 6: Final answer
    x = 160,204.59

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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.