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Finding the Fourth Proportional to 544,813.11, 816,677.43 and 260,170.92

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Solution

The fourth proportional to 544,813.11, 816,677.43 and 260,170.92 is: 389,997.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,813.11 : 816,677.43 = 260,170.92 : x
  2. Step 2: Convert to fraction form
    544,813.11/816,677.43 = 260,170.92/x
  3. Step 3: Cross multiply
    544,813.11x = 816,677.43 × 260,170.92
  4. Step 4: Simplify right side
    544,813.11x = 212,475,718,306.34
  5. Step 5: Solve for x
    x = 212,475,718,306.34/544,813.11
  6. Step 6: Final answer
    x = 389,997.44

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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.