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Finding the Fourth Proportional to 544,360.77, 816,675.11 and 189,377.87

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Solution

The fourth proportional to 544,360.77, 816,675.11 and 189,377.87 is: 284,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,360.77 : 816,675.11 = 189,377.87 : x
  2. Step 2: Convert to fraction form
    544,360.77/816,675.11 = 189,377.87/x
  3. Step 3: Cross multiply
    544,360.77x = 816,675.11 × 189,377.87
  4. Step 4: Simplify right side
    544,360.77x = 154,660,188,493.72
  5. Step 5: Solve for x
    x = 154,660,188,493.72/544,360.77
  6. Step 6: Final answer
    x = 284,113.40

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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.