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Finding the Fourth Proportional to 544,367.26, 816,569.28 and 189,384.22

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Solution

The fourth proportional to 544,367.26, 816,569.28 and 189,384.22 is: 284,082.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,367.26 : 816,569.28 = 189,384.22 : x
  2. Step 2: Convert to fraction form
    544,367.26/816,569.28 = 189,384.22/x
  3. Step 3: Cross multiply
    544,367.26x = 816,569.28 × 189,384.22
  4. Step 4: Simplify right side
    544,367.26x = 154,645,336,168.76
  5. Step 5: Solve for x
    x = 154,645,336,168.76/544,367.26
  6. Step 6: Final answer
    x = 284,082.73

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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.