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Finding the Fourth Proportional to 323,781.46, 446,807.36 and 178,593.01

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Solution

The fourth proportional to 323,781.46, 446,807.36 and 178,593.01 is: 246,452.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,781.46 : 446,807.36 = 178,593.01 : x
  2. Step 2: Convert to fraction form
    323,781.46/446,807.36 = 178,593.01/x
  3. Step 3: Cross multiply
    323,781.46x = 446,807.36 × 178,593.01
  4. Step 4: Simplify right side
    323,781.46x = 79,796,671,536.61
  5. Step 5: Solve for x
    x = 79,796,671,536.61/323,781.46
  6. Step 6: Final answer
    x = 246,452.25

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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.