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Finding the Fourth Proportional to 356,924.34, 492,546.71 and 203,952.80

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Solution

The fourth proportional to 356,924.34, 492,546.71 and 203,952.80 is: 281,449.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,924.34 : 492,546.71 = 203,952.80 : x
  2. Step 2: Convert to fraction form
    356,924.34/492,546.71 = 203,952.80/x
  3. Step 3: Cross multiply
    356,924.34x = 492,546.71 × 203,952.80
  4. Step 4: Simplify right side
    356,924.34x = 100,456,277,152.79
  5. Step 5: Solve for x
    x = 100,456,277,152.79/356,924.34
  6. Step 6: Final answer
    x = 281,449.78

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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.