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Finding the Fourth Proportional to 613,614.92, 846,813.58 and 341,665.59

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Solution

The fourth proportional to 613,614.92, 846,813.58 and 341,665.59 is: 471,512.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,614.92 : 846,813.58 = 341,665.59 : x
  2. Step 2: Convert to fraction form
    613,614.92/846,813.58 = 341,665.59/x
  3. Step 3: Cross multiply
    613,614.92x = 846,813.58 × 341,665.59
  4. Step 4: Simplify right side
    613,614.92x = 289,327,060,576.55
  5. Step 5: Solve for x
    x = 289,327,060,576.55/613,614.92
  6. Step 6: Final answer
    x = 471,512.43

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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.