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Finding the Fourth Proportional to 600,003.72, 828,213.48 and 345,456.36

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Solution

The fourth proportional to 600,003.72, 828,213.48 and 345,456.36 is: 476,849.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,003.72 : 828,213.48 = 345,456.36 : x
  2. Step 2: Convert to fraction form
    600,003.72/828,213.48 = 345,456.36/x
  3. Step 3: Cross multiply
    600,003.72x = 828,213.48 × 345,456.36
  4. Step 4: Simplify right side
    600,003.72x = 286,111,614,103.73
  5. Step 5: Solve for x
    x = 286,111,614,103.73/600,003.72
  6. Step 6: Final answer
    x = 476,849.73

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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.