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Finding the Fourth Proportional to 448,480.64, 618,826.56 and 267,170.24

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Solution

The fourth proportional to 448,480.64, 618,826.56 and 267,170.24 is: 368,649.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,480.64 : 618,826.56 = 267,170.24 : x
  2. Step 2: Convert to fraction form
    448,480.64/618,826.56 = 267,170.24/x
  3. Step 3: Cross multiply
    448,480.64x = 618,826.56 × 267,170.24
  4. Step 4: Simplify right side
    448,480.64x = 165,332,040,553.57
  5. Step 5: Solve for x
    x = 165,332,040,553.57/448,480.64
  6. Step 6: Final answer
    x = 368,649.23

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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.