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Finding the Fourth Proportional to 463,676.20, 695,514.30 and 214,844.20

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Solution

The fourth proportional to 463,676.20, 695,514.30 and 214,844.20 is: 322,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,676.20 : 695,514.30 = 214,844.20 : x
  2. Step 2: Convert to fraction form
    463,676.20/695,514.30 = 214,844.20/x
  3. Step 3: Cross multiply
    463,676.20x = 695,514.30 × 214,844.20
  4. Step 4: Simplify right side
    463,676.20x = 149,427,213,372.06
  5. Step 5: Solve for x
    x = 149,427,213,372.06/463,676.20
  6. Step 6: Final answer
    x = 322,266.30

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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.