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Finding the Fourth Proportional to 352,551.39, 486,520.92 and 191,406.45

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Solution

The fourth proportional to 352,551.39, 486,520.92 and 191,406.45 is: 264,140.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,551.39 : 486,520.92 = 191,406.45 : x
  2. Step 2: Convert to fraction form
    352,551.39/486,520.92 = 191,406.45/x
  3. Step 3: Cross multiply
    352,551.39x = 486,520.92 × 191,406.45
  4. Step 4: Simplify right side
    352,551.39x = 93,123,242,147.93
  5. Step 5: Solve for x
    x = 93,123,242,147.93/352,551.39
  6. Step 6: Final answer
    x = 264,140.90

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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.