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Finding the Fourth Proportional to 324,461.36, 447,751.96 and 181,223.44

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Solution

The fourth proportional to 324,461.36, 447,751.96 and 181,223.44 is: 250,085.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,461.36 : 447,751.96 = 181,223.44 : x
  2. Step 2: Convert to fraction form
    324,461.36/447,751.96 = 181,223.44/x
  3. Step 3: Cross multiply
    324,461.36x = 447,751.96 × 181,223.44
  4. Step 4: Simplify right side
    324,461.36x = 81,143,150,457.94
  5. Step 5: Solve for x
    x = 81,143,150,457.94/324,461.36
  6. Step 6: Final answer
    x = 250,085.71

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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.