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Finding the Fourth Proportional to 329,999.34, 455,399.28 and 179,096.34

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Solution

The fourth proportional to 329,999.34, 455,399.28 and 179,096.34 is: 247,153.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,999.34 : 455,399.28 = 179,096.34 : x
  2. Step 2: Convert to fraction form
    329,999.34/455,399.28 = 179,096.34/x
  3. Step 3: Cross multiply
    329,999.34x = 455,399.28 × 179,096.34
  4. Step 4: Simplify right side
    329,999.34x = 81,560,344,286.64
  5. Step 5: Solve for x
    x = 81,560,344,286.64/329,999.34
  6. Step 6: Final answer
    x = 247,153.05

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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.