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Finding the Fourth Proportional to 348,483.87, 481,067.10 and 267,883.20

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Solution

The fourth proportional to 348,483.87, 481,067.10 and 267,883.20 is: 369,801.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,483.87 : 481,067.10 = 267,883.20 : x
  2. Step 2: Convert to fraction form
    348,483.87/481,067.10 = 267,883.20/x
  3. Step 3: Cross multiply
    348,483.87x = 481,067.10 × 267,883.20
  4. Step 4: Simplify right side
    348,483.87x = 128,869,794,162.72
  5. Step 5: Solve for x
    x = 128,869,794,162.72/348,483.87
  6. Step 6: Final answer
    x = 369,801.32

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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.