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Finding the Fourth Proportional to 352,414.16, 486,332.01 and 191,269.20

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Solution

The fourth proportional to 352,414.16, 486,332.01 and 191,269.20 is: 263,951.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,414.16 : 486,332.01 = 191,269.20 : x
  2. Step 2: Convert to fraction form
    352,414.16/486,332.01 = 191,269.20/x
  3. Step 3: Cross multiply
    352,414.16x = 486,332.01 × 191,269.20
  4. Step 4: Simplify right side
    352,414.16x = 93,020,334,487.09
  5. Step 5: Solve for x
    x = 93,020,334,487.09/352,414.16
  6. Step 6: Final answer
    x = 263,951.75

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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.