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Finding the Fourth Proportional to 491,247.38, 677,916.60 and 273,452.60

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Solution

The fourth proportional to 491,247.38, 677,916.60 and 273,452.60 is: 377,361.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,247.38 : 677,916.60 = 273,452.60 : x
  2. Step 2: Convert to fraction form
    491,247.38/677,916.60 = 273,452.60/x
  3. Step 3: Cross multiply
    491,247.38x = 677,916.60 × 273,452.60
  4. Step 4: Simplify right side
    491,247.38x = 185,378,056,853.16
  5. Step 5: Solve for x
    x = 185,378,056,853.16/491,247.38
  6. Step 6: Final answer
    x = 377,361.92

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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.