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Finding the Fourth Proportional to 619,777.92, 930,060.12 and 264,794.64

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Solution

The fourth proportional to 619,777.92, 930,060.12 and 264,794.64 is: 397,359.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,777.92 : 930,060.12 = 264,794.64 : x
  2. Step 2: Convert to fraction form
    619,777.92/930,060.12 = 264,794.64/x
  3. Step 3: Cross multiply
    619,777.92x = 930,060.12 × 264,794.64
  4. Step 4: Simplify right side
    619,777.92x = 246,274,934,653.76
  5. Step 5: Solve for x
    x = 246,274,934,653.76/619,777.92
  6. Step 6: Final answer
    x = 397,359.97

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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.