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Finding the Fourth Proportional to 356,891.51, 492,524.07 and 195,753.35

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Solution

The fourth proportional to 356,891.51, 492,524.07 and 195,753.35 is: 270,147.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,891.51 : 492,524.07 = 195,753.35 : x
  2. Step 2: Convert to fraction form
    356,891.51/492,524.07 = 195,753.35/x
  3. Step 3: Cross multiply
    356,891.51x = 492,524.07 × 195,753.35
  4. Step 4: Simplify right side
    356,891.51x = 96,413,236,658.13
  5. Step 5: Solve for x
    x = 96,413,236,658.13/356,891.51
  6. Step 6: Final answer
    x = 270,147.18

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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.