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Finding the Fourth Proportional to 404,608.14, 558,548.19 and 234,809.46

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Solution

The fourth proportional to 404,608.14, 558,548.19 and 234,809.46 is: 324,146.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,608.14 : 558,548.19 = 234,809.46 : x
  2. Step 2: Convert to fraction form
    404,608.14/558,548.19 = 234,809.46/x
  3. Step 3: Cross multiply
    404,608.14x = 558,548.19 × 234,809.46
  4. Step 4: Simplify right side
    404,608.14x = 131,152,398,877.88
  5. Step 5: Solve for x
    x = 131,152,398,877.88/404,608.14
  6. Step 6: Final answer
    x = 324,146.71

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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.