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Finding the Fourth Proportional to 445,127.56, 667,224.78 and 164,465.80

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Solution

The fourth proportional to 445,127.56, 667,224.78 and 164,465.80 is: 246,526.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,127.56 : 667,224.78 = 164,465.80 : x
  2. Step 2: Convert to fraction form
    445,127.56/667,224.78 = 164,465.80/x
  3. Step 3: Cross multiply
    445,127.56x = 667,224.78 × 164,465.80
  4. Step 4: Simplify right side
    445,127.56x = 109,735,657,222.52
  5. Step 5: Solve for x
    x = 109,735,657,222.52/445,127.56
  6. Step 6: Final answer
    x = 246,526.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.