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Finding the Fourth Proportional to 329,113.26, 493,669.90 and 79,795.26

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Solution

The fourth proportional to 329,113.26, 493,669.90 and 79,795.26 is: 119,692.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,113.26 : 493,669.90 = 79,795.26 : x
  2. Step 2: Convert to fraction form
    329,113.26/493,669.90 = 79,795.26/x
  3. Step 3: Cross multiply
    329,113.26x = 493,669.90 × 79,795.26
  4. Step 4: Simplify right side
    329,113.26x = 39,392,518,024.67
  5. Step 5: Solve for x
    x = 39,392,518,024.67/329,113.26
  6. Step 6: Final answer
    x = 119,692.89

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Similar ratio
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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.