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Finding the Fourth Proportional to 340,046.32, 469,256.34 and 196,803.49

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Solution

The fourth proportional to 340,046.32, 469,256.34 and 196,803.49 is: 271,584.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,046.32 : 469,256.34 = 196,803.49 : x
  2. Step 2: Convert to fraction form
    340,046.32/469,256.34 = 196,803.49/x
  3. Step 3: Cross multiply
    340,046.32x = 469,256.34 × 196,803.49
  4. Step 4: Simplify right side
    340,046.32x = 92,351,285,416.63
  5. Step 5: Solve for x
    x = 92,351,285,416.63/340,046.32
  6. Step 6: Final answer
    x = 271,584.43

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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.