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Finding the Fourth Proportional to 567,992.52, 783,825.30 and 313,354.44

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Solution

The fourth proportional to 567,992.52, 783,825.30 and 313,354.44 is: 432,426.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,992.52 : 783,825.30 = 313,354.44 : x
  2. Step 2: Convert to fraction form
    567,992.52/783,825.30 = 313,354.44/x
  3. Step 3: Cross multiply
    567,992.52x = 783,825.30 × 313,354.44
  4. Step 4: Simplify right side
    567,992.52x = 245,615,137,939.33
  5. Step 5: Solve for x
    x = 245,615,137,939.33/567,992.52
  6. Step 6: Final answer
    x = 432,426.71

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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.