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Finding the Fourth Proportional to 647,251.63, 969,696.46 and 361,454.47

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Solution

The fourth proportional to 647,251.63, 969,696.46 and 361,454.47 is: 541,522.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,251.63 : 969,696.46 = 361,454.47 : x
  2. Step 2: Convert to fraction form
    647,251.63/969,696.46 = 361,454.47/x
  3. Step 3: Cross multiply
    647,251.63x = 969,696.46 × 361,454.47
  4. Step 4: Simplify right side
    647,251.63x = 350,501,118,037.75
  5. Step 5: Solve for x
    x = 350,501,118,037.75/647,251.63
  6. Step 6: Final answer
    x = 541,522.19

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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.