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Finding the Fourth Proportional to 397,150.64, 548,058.12 and 227,370.32

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Solution

The fourth proportional to 397,150.64, 548,058.12 and 227,370.32 is: 313,765.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,150.64 : 548,058.12 = 227,370.32 : x
  2. Step 2: Convert to fraction form
    397,150.64/548,058.12 = 227,370.32/x
  3. Step 3: Cross multiply
    397,150.64x = 548,058.12 × 227,370.32
  4. Step 4: Simplify right side
    397,150.64x = 124,612,150,123.00
  5. Step 5: Solve for x
    x = 124,612,150,123.00/397,150.64
  6. Step 6: Final answer
    x = 313,765.45

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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.