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Finding the Fourth Proportional to 329,077.26, 493,615.86 and 79,759.26

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Solution

The fourth proportional to 329,077.26, 493,615.86 and 79,759.26 is: 119,638.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,077.26 : 493,615.86 = 79,759.26 : x
  2. Step 2: Convert to fraction form
    329,077.26/493,615.86 = 79,759.26/x
  3. Step 3: Cross multiply
    329,077.26x = 493,615.86 × 79,759.26
  4. Step 4: Simplify right side
    329,077.26x = 39,370,435,717.86
  5. Step 5: Solve for x
    x = 39,370,435,717.86/329,077.26
  6. Step 6: Final answer
    x = 119,638.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.