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Finding the Fourth Proportional to 579,704.10, 799,067.13 and 456,996.42

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Solution

The fourth proportional to 579,704.10, 799,067.13 and 456,996.42 is: 629,926.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,704.10 : 799,067.13 = 456,996.42 : x
  2. Step 2: Convert to fraction form
    579,704.10/799,067.13 = 456,996.42/x
  3. Step 3: Cross multiply
    579,704.10x = 799,067.13 × 456,996.42
  4. Step 4: Simplify right side
    579,704.10x = 365,170,817,749.68
  5. Step 5: Solve for x
    x = 365,170,817,749.68/579,704.10
  6. Step 6: Final answer
    x = 629,926.23

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.