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Finding the Fourth Proportional to 423,553.89, 584,504.36 and 232,567.28

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Solution

The fourth proportional to 423,553.89, 584,504.36 and 232,567.28 is: 320,942.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,553.89 : 584,504.36 = 232,567.28 : x
  2. Step 2: Convert to fraction form
    423,553.89/584,504.36 = 232,567.28/x
  3. Step 3: Cross multiply
    423,553.89x = 584,504.36 × 232,567.28
  4. Step 4: Simplify right side
    423,553.89x = 135,936,587,833.58
  5. Step 5: Solve for x
    x = 135,936,587,833.58/423,553.89
  6. Step 6: Final answer
    x = 320,942.84

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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.