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Finding the Fourth Proportional to 547,490.15, 821,696.03 and 267,246.95

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Solution

The fourth proportional to 547,490.15, 821,696.03 and 267,246.95 is: 401,095.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,490.15 : 821,696.03 = 267,246.95 : x
  2. Step 2: Convert to fraction form
    547,490.15/821,696.03 = 267,246.95/x
  3. Step 3: Cross multiply
    547,490.15x = 821,696.03 × 267,246.95
  4. Step 4: Simplify right side
    547,490.15x = 219,595,756,508.37
  5. Step 5: Solve for x
    x = 219,595,756,508.37/547,490.15
  6. Step 6: Final answer
    x = 401,095.36

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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.