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Finding the Fourth Proportional to 352,694.43, 486,718.20 and 191,549.52

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Solution

The fourth proportional to 352,694.43, 486,718.20 and 191,549.52 is: 264,338.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,694.43 : 486,718.20 = 191,549.52 : x
  2. Step 2: Convert to fraction form
    352,694.43/486,718.20 = 191,549.52/x
  3. Step 3: Cross multiply
    352,694.43x = 486,718.20 × 191,549.52
  4. Step 4: Simplify right side
    352,694.43x = 93,230,637,585.26
  5. Step 5: Solve for x
    x = 93,230,637,585.26/352,694.43
  6. Step 6: Final answer
    x = 264,338.28

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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.