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Finding the Fourth Proportional to 324,056.99, 447,223.74 and 178,891.22

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Solution

The fourth proportional to 324,056.99, 447,223.74 and 178,891.22 is: 246,883.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,056.99 : 447,223.74 = 178,891.22 : x
  2. Step 2: Convert to fraction form
    324,056.99/447,223.74 = 178,891.22/x
  3. Step 3: Cross multiply
    324,056.99x = 447,223.74 × 178,891.22
  4. Step 4: Simplify right side
    324,056.99x = 80,004,400,461.56
  5. Step 5: Solve for x
    x = 80,004,400,461.56/324,056.99
  6. Step 6: Final answer
    x = 246,883.74

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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.