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Finding the Fourth Proportional to 345,504.96, 476,790.37 and 192,539.79

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Solution

The fourth proportional to 345,504.96, 476,790.37 and 192,539.79 is: 265,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,504.96 : 476,790.37 = 192,539.79 : x
  2. Step 2: Convert to fraction form
    345,504.96/476,790.37 = 192,539.79/x
  3. Step 3: Cross multiply
    345,504.96x = 476,790.37 × 192,539.79
  4. Step 4: Simplify right side
    345,504.96x = 91,801,117,232.47
  5. Step 5: Solve for x
    x = 91,801,117,232.47/345,504.96
  6. Step 6: Final answer
    x = 265,701.30

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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.