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Finding the Fourth Proportional to 608,704.71, 912,183.64 and 341,903.71

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Solution

The fourth proportional to 608,704.71, 912,183.64 and 341,903.71 is: 512,364.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,704.71 : 912,183.64 = 341,903.71 : x
  2. Step 2: Convert to fraction form
    608,704.71/912,183.64 = 341,903.71/x
  3. Step 3: Cross multiply
    608,704.71x = 912,183.64 × 341,903.71
  4. Step 4: Simplify right side
    608,704.71x = 311,878,970,717.30
  5. Step 5: Solve for x
    x = 311,878,970,717.30/608,704.71
  6. Step 6: Final answer
    x = 512,364.97

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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.