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Finding the Fourth Proportional to 329,101.63, 493,652.44 and 79,783.63

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Solution

The fourth proportional to 329,101.63, 493,652.44 and 79,783.63 is: 119,675.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,101.63 : 493,652.44 = 79,783.63 : x
  2. Step 2: Convert to fraction form
    329,101.63/493,652.44 = 79,783.63/x
  3. Step 3: Cross multiply
    329,101.63x = 493,652.44 × 79,783.63
  4. Step 4: Simplify right side
    329,101.63x = 39,385,383,621.56
  5. Step 5: Solve for x
    x = 39,385,383,621.56/329,101.63
  6. Step 6: Final answer
    x = 119,675.44

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Double scale
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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.