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Finding the Fourth Proportional to 353,773.56, 488,203.26 and 192,628.56

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Solution

The fourth proportional to 353,773.56, 488,203.26 and 192,628.56 is: 265,825.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,773.56 : 488,203.26 = 192,628.56 : x
  2. Step 2: Convert to fraction form
    353,773.56/488,203.26 = 192,628.56/x
  3. Step 3: Cross multiply
    353,773.56x = 488,203.26 × 192,628.56
  4. Step 4: Simplify right side
    353,773.56x = 94,041,890,961.11
  5. Step 5: Solve for x
    x = 94,041,890,961.11/353,773.56
  6. Step 6: Final answer
    x = 265,825.10

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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.