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Finding the Fourth Proportional to 329,108.40, 493,662.60 and 275,964.30

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Solution

The fourth proportional to 329,108.40, 493,662.60 and 275,964.30 is: 413,946.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,108.40 : 493,662.60 = 275,964.30 : x
  2. Step 2: Convert to fraction form
    329,108.40/493,662.60 = 275,964.30/x
  3. Step 3: Cross multiply
    329,108.40x = 493,662.60 × 275,964.30
  4. Step 4: Simplify right side
    329,108.40x = 136,233,253,845.18
  5. Step 5: Solve for x
    x = 136,233,253,845.18/329,108.40
  6. Step 6: Final answer
    x = 413,946.45

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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.