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Finding the Fourth Proportional to 252,262.62, 347,760.66 and 198,454.20

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Solution

The fourth proportional to 252,262.62, 347,760.66 and 198,454.20 is: 273,582.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,262.62 : 347,760.66 = 198,454.20 : x
  2. Step 2: Convert to fraction form
    252,262.62/347,760.66 = 198,454.20/x
  3. Step 3: Cross multiply
    252,262.62x = 347,760.66 × 198,454.20
  4. Step 4: Simplify right side
    252,262.62x = 69,014,563,571.77
  5. Step 5: Solve for x
    x = 69,014,563,571.77/252,262.62
  6. Step 6: Final answer
    x = 273,582.20

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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.