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Finding the Fourth Proportional to 353,593.62, 487,944.27 and 192,448.98

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Solution

The fourth proportional to 353,593.62, 487,944.27 and 192,448.98 is: 265,571.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,593.62 : 487,944.27 = 192,448.98 : x
  2. Step 2: Convert to fraction form
    353,593.62/487,944.27 = 192,448.98/x
  3. Step 3: Cross multiply
    353,593.62x = 487,944.27 × 192,448.98
  4. Step 4: Simplify right side
    353,593.62x = 93,904,377,058.34
  5. Step 5: Solve for x
    x = 93,904,377,058.34/353,593.62
  6. Step 6: Final answer
    x = 265,571.47

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1.5x scale

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.