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Finding the Fourth Proportional to 404,451.42, 558,192.36 and 232,369.02

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Solution

The fourth proportional to 404,451.42, 558,192.36 and 232,369.02 is: 320,697.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,451.42 : 558,192.36 = 232,369.02 : x
  2. Step 2: Convert to fraction form
    404,451.42/558,192.36 = 232,369.02/x
  3. Step 3: Cross multiply
    404,451.42x = 558,192.36 × 232,369.02
  4. Step 4: Simplify right side
    404,451.42x = 129,706,611,664.69
  5. Step 5: Solve for x
    x = 129,706,611,664.69/404,451.42
  6. Step 6: Final answer
    x = 320,697.63

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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.