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Finding the Fourth Proportional to 347,782.34, 479,932.41 and 188,806.34

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Solution

The fourth proportional to 347,782.34, 479,932.41 and 188,806.34 is: 260,548.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,782.34 : 479,932.41 = 188,806.34 : x
  2. Step 2: Convert to fraction form
    347,782.34/479,932.41 = 188,806.34/x
  3. Step 3: Cross multiply
    347,782.34x = 479,932.41 × 188,806.34
  4. Step 4: Simplify right side
    347,782.34x = 90,614,281,779.48
  5. Step 5: Solve for x
    x = 90,614,281,779.48/347,782.34
  6. Step 6: Final answer
    x = 260,548.83

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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.