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Finding the Fourth Proportional to 354,046.39, 488,577.81 and 192,902.59

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Solution

The fourth proportional to 354,046.39, 488,577.81 and 192,902.59 is: 266,202.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,046.39 : 488,577.81 = 192,902.59 : x
  2. Step 2: Convert to fraction form
    354,046.39/488,577.81 = 192,902.59/x
  3. Step 3: Cross multiply
    354,046.39x = 488,577.81 × 192,902.59
  4. Step 4: Simplify right side
    354,046.39x = 94,247,924,965.53
  5. Step 5: Solve for x
    x = 94,247,924,965.53/354,046.39
  6. Step 6: Final answer
    x = 266,202.19

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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.