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Finding the Fourth Proportional to 499,529.66, 689,340.65 and 273,175.16

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Solution

The fourth proportional to 499,529.66, 689,340.65 and 273,175.16 is: 376,976.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,529.66 : 689,340.65 = 273,175.16 : x
  2. Step 2: Convert to fraction form
    499,529.66/689,340.65 = 273,175.16/x
  3. Step 3: Cross multiply
    499,529.66x = 689,340.65 × 273,175.16
  4. Step 4: Simplify right side
    499,529.66x = 188,310,737,545.68
  5. Step 5: Solve for x
    x = 188,310,737,545.68/499,529.66
  6. Step 6: Final answer
    x = 376,976.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.