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Finding the Fourth Proportional to 324,694.96, 447,788.95 and 203,847.51

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Solution

The fourth proportional to 324,694.96, 447,788.95 and 203,847.51 is: 281,127.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,694.96 : 447,788.95 = 203,847.51 : x
  2. Step 2: Convert to fraction form
    324,694.96/447,788.95 = 203,847.51/x
  3. Step 3: Cross multiply
    324,694.96x = 447,788.95 × 203,847.51
  4. Step 4: Simplify right side
    324,694.96x = 91,280,662,463.01
  5. Step 5: Solve for x
    x = 91,280,662,463.01/324,694.96
  6. Step 6: Final answer
    x = 281,127.44

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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.