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Finding the Fourth Proportional to 397,383.00, 548,391.13 and 216,096.90

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Solution

The fourth proportional to 397,383.00, 548,391.13 and 216,096.90 is: 298,215.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,383.00 : 548,391.13 = 216,096.90 : x
  2. Step 2: Convert to fraction form
    397,383.00/548,391.13 = 216,096.90/x
  3. Step 3: Cross multiply
    397,383.00x = 548,391.13 × 216,096.90
  4. Step 4: Simplify right side
    397,383.00x = 118,505,620,583.79
  5. Step 5: Solve for x
    x = 118,505,620,583.79/397,383.00
  6. Step 6: Final answer
    x = 298,215.13

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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.