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Finding the Fourth Proportional to 352,562.70, 486,542.22 and 199,596.90

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Solution

The fourth proportional to 352,562.70, 486,542.22 and 199,596.90 is: 275,446.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,562.70 : 486,542.22 = 199,596.90 : x
  2. Step 2: Convert to fraction form
    352,562.70/486,542.22 = 199,596.90/x
  3. Step 3: Cross multiply
    352,562.70x = 486,542.22 × 199,596.90
  4. Step 4: Simplify right side
    352,562.70x = 97,112,318,831.12
  5. Step 5: Solve for x
    x = 97,112,318,831.12/352,562.70
  6. Step 6: Final answer
    x = 275,446.95

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1.5x scale

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.