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Finding the Fourth Proportional to 353,704.30, 488,097 and 192,556

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Solution

The fourth proportional to 353,704.30, 488,097 and 192,556 is: 265,719.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,704.30 : 488,097 = 192,556 : x
  2. Step 2: Convert to fraction form
    353,704.30/488,097 = 192,556/x
  3. Step 3: Cross multiply
    353,704.30x = 488,097 × 192,556
  4. Step 4: Simplify right side
    353,704.30x = 93,986,005,932
  5. Step 5: Solve for x
    x = 93,986,005,932/353,704.30
  6. Step 6: Final answer
    x = 265,719.15

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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.