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Finding the Fourth Proportional to 329,999.81, 455,399.74 and 179,096.81

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Solution

The fourth proportional to 329,999.81, 455,399.74 and 179,096.81 is: 247,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,999.81 : 455,399.74 = 179,096.81 : x
  2. Step 2: Convert to fraction form
    329,999.81/455,399.74 = 179,096.81/x
  3. Step 3: Cross multiply
    329,999.81x = 455,399.74 × 179,096.81
  4. Step 4: Simplify right side
    329,999.81x = 81,560,640,708.83
  5. Step 5: Solve for x
    x = 81,560,640,708.83/329,999.81
  6. Step 6: Final answer
    x = 247,153.60

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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.