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Finding the Fourth Proportional to 569,021.25, 785,248.73 and 327,297.61

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Solution

The fourth proportional to 569,021.25, 785,248.73 and 327,297.61 is: 451,670.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,021.25 : 785,248.73 = 327,297.61 : x
  2. Step 2: Convert to fraction form
    569,021.25/785,248.73 = 327,297.61/x
  3. Step 3: Cross multiply
    569,021.25x = 785,248.73 × 327,297.61
  4. Step 4: Simplify right side
    569,021.25x = 257,010,033,156.97
  5. Step 5: Solve for x
    x = 257,010,033,156.97/569,021.25
  6. Step 6: Final answer
    x = 451,670.36

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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.