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Finding the Fourth Proportional to 773,863, 1,067,930.92 and 434,331.25

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Solution

The fourth proportional to 773,863, 1,067,930.92 and 434,331.25 is: 599,377.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,863 : 1,067,930.92 = 434,331.25 : x
  2. Step 2: Convert to fraction form
    773,863/1,067,930.92 = 434,331.25/x
  3. Step 3: Cross multiply
    773,863x = 1,067,930.92 × 434,331.25
  4. Step 4: Simplify right side
    773,863x = 463,835,771,397.25
  5. Step 5: Solve for x
    x = 463,835,771,397.25/773,863
  6. Step 6: Final answer
    x = 599,377.11

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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.