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Finding the Fourth Proportional to 376,358.51, 519,373.44 and 204,276.47

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Solution

The fourth proportional to 376,358.51, 519,373.44 and 204,276.47 is: 281,900.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,358.51 : 519,373.44 = 204,276.47 : x
  2. Step 2: Convert to fraction form
    376,358.51/519,373.44 = 204,276.47/x
  3. Step 3: Cross multiply
    376,358.51x = 519,373.44 × 204,276.47
  4. Step 4: Simplify right side
    376,358.51x = 106,095,770,338.09
  5. Step 5: Solve for x
    x = 106,095,770,338.09/376,358.51
  6. Step 6: Final answer
    x = 281,900.81

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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.