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Finding the Fourth Proportional to 324,055.99, 447,222.36 and 178,890.22

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Solution

The fourth proportional to 324,055.99, 447,222.36 and 178,890.22 is: 246,882.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,055.99 : 447,222.36 = 178,890.22 : x
  2. Step 2: Convert to fraction form
    324,055.99/447,222.36 = 178,890.22/x
  3. Step 3: Cross multiply
    324,055.99x = 447,222.36 × 178,890.22
  4. Step 4: Simplify right side
    324,055.99x = 80,003,706,369.32
  5. Step 5: Solve for x
    x = 80,003,706,369.32/324,055.99
  6. Step 6: Final answer
    x = 246,882.36

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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.