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Finding the Fourth Proportional to 600,008.80, 828,008.40 and 331,736.80

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Solution

The fourth proportional to 600,008.80, 828,008.40 and 331,736.80 is: 457,794.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,008.80 : 828,008.40 = 331,736.80 : x
  2. Step 2: Convert to fraction form
    600,008.80/828,008.40 = 331,736.80/x
  3. Step 3: Cross multiply
    600,008.80x = 828,008.40 × 331,736.80
  4. Step 4: Simplify right side
    600,008.80x = 274,680,856,989.12
  5. Step 5: Solve for x
    x = 274,680,856,989.12/600,008.80
  6. Step 6: Final answer
    x = 457,794.71

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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.