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Finding the Fourth Proportional to 353,989.36, 488,503.44 and 192,844.04

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Solution

The fourth proportional to 353,989.36, 488,503.44 and 192,844.04 is: 266,123.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,989.36 : 488,503.44 = 192,844.04 : x
  2. Step 2: Convert to fraction form
    353,989.36/488,503.44 = 192,844.04/x
  3. Step 3: Cross multiply
    353,989.36x = 488,503.44 × 192,844.04
  4. Step 4: Simplify right side
    353,989.36x = 94,204,976,923.50
  5. Step 5: Solve for x
    x = 94,204,976,923.50/353,989.36
  6. Step 6: Final answer
    x = 266,123.75

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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.