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Finding the Fourth Proportional to 452,853.99, 679,286.25 and 196,627.50

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Solution

The fourth proportional to 452,853.99, 679,286.25 and 196,627.50 is: 294,943.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,853.99 : 679,286.25 = 196,627.50 : x
  2. Step 2: Convert to fraction form
    452,853.99/679,286.25 = 196,627.50/x
  3. Step 3: Cross multiply
    452,853.99x = 679,286.25 × 196,627.50
  4. Step 4: Simplify right side
    452,853.99x = 133,566,357,121.88
  5. Step 5: Solve for x
    x = 133,566,357,121.88/452,853.99
  6. Step 6: Final answer
    x = 294,943.54

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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.