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Finding the Fourth Proportional to 404,619.91, 558,292.12 and 232,504.62

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Solution

The fourth proportional to 404,619.91, 558,292.12 and 232,504.62 is: 320,808.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,619.91 : 558,292.12 = 232,504.62 : x
  2. Step 2: Convert to fraction form
    404,619.91/558,292.12 = 232,504.62/x
  3. Step 3: Cross multiply
    404,619.91x = 558,292.12 × 232,504.62
  4. Step 4: Simplify right side
    404,619.91x = 129,805,493,255.61
  5. Step 5: Solve for x
    x = 129,805,493,255.61/404,619.91
  6. Step 6: Final answer
    x = 320,808.47

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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.