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Finding the Fourth Proportional to 351,205.98, 484,665.46 and 190,060.98

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Solution

The fourth proportional to 351,205.98, 484,665.46 and 190,060.98 is: 262,284.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,205.98 : 484,665.46 = 190,060.98 : x
  2. Step 2: Convert to fraction form
    351,205.98/484,665.46 = 190,060.98/x
  3. Step 3: Cross multiply
    351,205.98x = 484,665.46 × 190,060.98
  4. Step 4: Simplify right side
    351,205.98x = 92,115,992,299.75
  5. Step 5: Solve for x
    x = 92,115,992,299.75/351,205.98
  6. Step 6: Final answer
    x = 262,284.81

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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.