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Finding the Fourth Proportional to 353,794.21, 488,241.83 and 192,652.40

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Solution

The fourth proportional to 353,794.21, 488,241.83 and 192,652.40 is: 265,863.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,794.21 : 488,241.83 = 192,652.40 : x
  2. Step 2: Convert to fraction form
    353,794.21/488,241.83 = 192,652.40/x
  3. Step 3: Cross multiply
    353,794.21x = 488,241.83 × 192,652.40
  4. Step 4: Simplify right side
    353,794.21x = 94,060,960,329.89
  5. Step 5: Solve for x
    x = 94,060,960,329.89/353,794.21
  6. Step 6: Final answer
    x = 265,863.48

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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.