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Finding the Fourth Proportional to 330,593.76, 495,599.97 and 131,054.31

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Solution

The fourth proportional to 330,593.76, 495,599.97 and 131,054.31 is: 196,466.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,593.76 : 495,599.97 = 131,054.31 : x
  2. Step 2: Convert to fraction form
    330,593.76/495,599.97 = 131,054.31/x
  3. Step 3: Cross multiply
    330,593.76x = 495,599.97 × 131,054.31
  4. Step 4: Simplify right side
    330,593.76x = 64,950,512,104.37
  5. Step 5: Solve for x
    x = 64,950,512,104.37/330,593.76
  6. Step 6: Final answer
    x = 196,466.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.