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Finding the Fourth Proportional to 481,431.78, 663,683.49 and 337,746.42

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Solution

The fourth proportional to 481,431.78, 663,683.49 and 337,746.42 is: 465,604.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,431.78 : 663,683.49 = 337,746.42 : x
  2. Step 2: Convert to fraction form
    481,431.78/663,683.49 = 337,746.42/x
  3. Step 3: Cross multiply
    481,431.78x = 663,683.49 × 337,746.42
  4. Step 4: Simplify right side
    481,431.78x = 224,156,722,760.61
  5. Step 5: Solve for x
    x = 224,156,722,760.61/481,431.78
  6. Step 6: Final answer
    x = 465,604.33

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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.