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Finding the Fourth Proportional to 324,798.21, 448,222.13 and 181,558.17

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Solution

The fourth proportional to 324,798.21, 448,222.13 and 181,558.17 is: 250,550.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,798.21 : 448,222.13 = 181,558.17 : x
  2. Step 2: Convert to fraction form
    324,798.21/448,222.13 = 181,558.17/x
  3. Step 3: Cross multiply
    324,798.21x = 448,222.13 × 181,558.17
  4. Step 4: Simplify right side
    324,798.21x = 81,378,388,768.51
  5. Step 5: Solve for x
    x = 81,378,388,768.51/324,798.21
  6. Step 6: Final answer
    x = 250,550.61

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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.