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Finding the Fourth Proportional to 544,901.87, 816,185.08 and 443,217.26

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Solution

The fourth proportional to 544,901.87, 816,185.08 and 443,217.26 is: 663,876.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,901.87 : 816,185.08 = 443,217.26 : x
  2. Step 2: Convert to fraction form
    544,901.87/816,185.08 = 443,217.26/x
  3. Step 3: Cross multiply
    544,901.87x = 816,185.08 × 443,217.26
  4. Step 4: Simplify right side
    544,901.87x = 361,747,308,513.47
  5. Step 5: Solve for x
    x = 361,747,308,513.47/544,901.87
  6. Step 6: Final answer
    x = 663,876.07

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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.