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Finding the Fourth Proportional to 252,281.37, 347,786.55 and 198,472.94

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Solution

The fourth proportional to 252,281.37, 347,786.55 and 198,472.94 is: 273,608.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,281.37 : 347,786.55 = 198,472.94 : x
  2. Step 2: Convert to fraction form
    252,281.37/347,786.55 = 198,472.94/x
  3. Step 3: Cross multiply
    252,281.37x = 347,786.55 × 198,472.94
  4. Step 4: Simplify right side
    252,281.37x = 69,026,219,070.96
  5. Step 5: Solve for x
    x = 69,026,219,070.96/252,281.37
  6. Step 6: Final answer
    x = 273,608.07

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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.