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Finding the Fourth Proportional to 1,791,795.86, 2,687,660.64 and 443,961.74

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Solution

The fourth proportional to 1,791,795.86, 2,687,660.64 and 443,961.74 is: 665,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,795.86 : 2,687,660.64 = 443,961.74 : x
  2. Step 2: Convert to fraction form
    1,791,795.86/2,687,660.64 = 443,961.74/x
  3. Step 3: Cross multiply
    1,791,795.86x = 2,687,660.64 × 443,961.74
  4. Step 4: Simplify right side
    1,791,795.86x = 1,193,218,494,263.91
  5. Step 5: Solve for x
    x = 1,193,218,494,263.91/1,791,795.86
  6. Step 6: Final answer
    x = 665,934.40

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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.