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Finding the Fourth Proportional to 578,149.52, 797,792.63 and 345,530.48

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Solution

The fourth proportional to 578,149.52, 797,792.63 and 345,530.48 is: 476,799.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,149.52 : 797,792.63 = 345,530.48 : x
  2. Step 2: Convert to fraction form
    578,149.52/797,792.63 = 345,530.48/x
  3. Step 3: Cross multiply
    578,149.52x = 797,792.63 × 345,530.48
  4. Step 4: Simplify right side
    578,149.52x = 275,661,664,667.75
  5. Step 5: Solve for x
    x = 275,661,664,667.75/578,149.52
  6. Step 6: Final answer
    x = 476,799.96

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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.