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Finding the Fourth Proportional to 352,738.95, 486,782.38 and 191,593.96

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Solution

The fourth proportional to 352,738.95, 486,782.38 and 191,593.96 is: 264,401.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,738.95 : 486,782.38 = 191,593.96 : x
  2. Step 2: Convert to fraction form
    352,738.95/486,782.38 = 191,593.96/x
  3. Step 3: Cross multiply
    352,738.95x = 486,782.38 × 191,593.96
  4. Step 4: Simplify right side
    352,738.95x = 93,264,563,403.82
  5. Step 5: Solve for x
    x = 93,264,563,403.82/352,738.95
  6. Step 6: Final answer
    x = 264,401.09

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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.