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Finding the Fourth Proportional to 329,069.12, 493,603.67 and 79,751.12

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Solution

The fourth proportional to 329,069.12, 493,603.67 and 79,751.12 is: 119,626.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,069.12 : 493,603.67 = 79,751.12 : x
  2. Step 2: Convert to fraction form
    329,069.12/493,603.67 = 79,751.12/x
  3. Step 3: Cross multiply
    329,069.12x = 493,603.67 × 79,751.12
  4. Step 4: Simplify right side
    329,069.12x = 39,365,443,249.97
  5. Step 5: Solve for x
    x = 39,365,443,249.97/329,069.12
  6. Step 6: Final answer
    x = 119,626.67

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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.