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Finding the Fourth Proportional to 356,908.88, 492,534.96 and 195,765.25

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Solution

The fourth proportional to 356,908.88, 492,534.96 and 195,765.25 is: 270,156.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,908.88 : 492,534.96 = 195,765.25 : x
  2. Step 2: Convert to fraction form
    356,908.88/492,534.96 = 195,765.25/x
  3. Step 3: Cross multiply
    356,908.88x = 492,534.96 × 195,765.25
  4. Step 4: Simplify right side
    356,908.88x = 96,421,229,578.14
  5. Step 5: Solve for x
    x = 96,421,229,578.14/356,908.88
  6. Step 6: Final answer
    x = 270,156.44

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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.