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Finding the Fourth Proportional to 356,896.26, 492,530.62 and 195,758.10

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Solution

The fourth proportional to 356,896.26, 492,530.62 and 195,758.10 is: 270,153.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,896.26 : 492,530.62 = 195,758.10 : x
  2. Step 2: Convert to fraction form
    356,896.26/492,530.62 = 195,758.10/x
  3. Step 3: Cross multiply
    356,896.26x = 492,530.62 × 195,758.10
  4. Step 4: Simplify right side
    356,896.26x = 96,416,858,363.02
  5. Step 5: Solve for x
    x = 96,416,858,363.02/356,896.26
  6. Step 6: Final answer
    x = 270,153.74

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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.