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Finding the Fourth Proportional to 352,556.50, 486,527.97 and 193,580.50

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Solution

The fourth proportional to 352,556.50, 486,527.97 and 193,580.50 is: 267,141.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,556.50 : 486,527.97 = 193,580.50 : x
  2. Step 2: Convert to fraction form
    352,556.50/486,527.97 = 193,580.50/x
  3. Step 3: Cross multiply
    352,556.50x = 486,527.97 × 193,580.50
  4. Step 4: Simplify right side
    352,556.50x = 94,182,327,696.59
  5. Step 5: Solve for x
    x = 94,182,327,696.59/352,556.50
  6. Step 6: Final answer
    x = 267,141.09

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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.