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Finding the Fourth Proportional to 590,514.20, 885,771.30 and 164,049.20

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Solution

The fourth proportional to 590,514.20, 885,771.30 and 164,049.20 is: 246,073.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,514.20 : 885,771.30 = 164,049.20 : x
  2. Step 2: Convert to fraction form
    590,514.20/885,771.30 = 164,049.20/x
  3. Step 3: Cross multiply
    590,514.20x = 885,771.30 × 164,049.20
  4. Step 4: Simplify right side
    590,514.20x = 145,310,073,147.96
  5. Step 5: Solve for x
    x = 145,310,073,147.96/590,514.20
  6. Step 6: Final answer
    x = 246,073.80

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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.