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Finding the Fourth Proportional to 352,758.20, 486,807.23 and 191,611.94

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Solution

The fourth proportional to 352,758.20, 486,807.23 and 191,611.94 is: 264,424.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,758.20 : 486,807.23 = 191,611.94 : x
  2. Step 2: Convert to fraction form
    352,758.20/486,807.23 = 191,611.94/x
  3. Step 3: Cross multiply
    352,758.20x = 486,807.23 × 191,611.94
  4. Step 4: Simplify right side
    352,758.20x = 93,278,075,791.32
  5. Step 5: Solve for x
    x = 93,278,075,791.32/352,758.20
  6. Step 6: Final answer
    x = 264,424.97

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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.