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Finding the Fourth Proportional to 352,743.40, 486,777.81 and 191,594.91

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Solution

The fourth proportional to 352,743.40, 486,777.81 and 191,594.91 is: 264,396.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,743.40 : 486,777.81 = 191,594.91 : x
  2. Step 2: Convert to fraction form
    352,743.40/486,777.81 = 191,594.91/x
  3. Step 3: Cross multiply
    352,743.40x = 486,777.81 × 191,594.91
  4. Step 4: Simplify right side
    352,743.40x = 93,264,150,696.95
  5. Step 5: Solve for x
    x = 93,264,150,696.95/352,743.40
  6. Step 6: Final answer
    x = 264,396.59

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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.