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Finding the Fourth Proportional to 324,605.06, 447,946.78 and 181,366.22

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Solution

The fourth proportional to 324,605.06, 447,946.78 and 181,366.22 is: 250,280.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,605.06 : 447,946.78 = 181,366.22 : x
  2. Step 2: Convert to fraction form
    324,605.06/447,946.78 = 181,366.22/x
  3. Step 3: Cross multiply
    324,605.06x = 447,946.78 × 181,366.22
  4. Step 4: Simplify right side
    324,605.06x = 81,242,414,249.77
  5. Step 5: Solve for x
    x = 81,242,414,249.77/324,605.06
  6. Step 6: Final answer
    x = 250,280.80

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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.