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Finding the Fourth Proportional to 329,069.74, 493,604.61 and 79,751.74

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Solution

The fourth proportional to 329,069.74, 493,604.61 and 79,751.74 is: 119,627.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,069.74 : 493,604.61 = 79,751.74 : x
  2. Step 2: Convert to fraction form
    329,069.74/493,604.61 = 79,751.74/x
  3. Step 3: Cross multiply
    329,069.74x = 493,604.61 × 79,751.74
  4. Step 4: Simplify right side
    329,069.74x = 39,365,826,519.52
  5. Step 5: Solve for x
    x = 39,365,826,519.52/329,069.74
  6. Step 6: Final answer
    x = 119,627.61

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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.