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Finding the Fourth Proportional to 448,490.64, 619,067.06 and 267,259.42

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Solution

The fourth proportional to 448,490.64, 619,067.06 and 267,259.42 is: 368,907.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,490.64 : 619,067.06 = 267,259.42 : x
  2. Step 2: Convert to fraction form
    448,490.64/619,067.06 = 267,259.42/x
  3. Step 3: Cross multiply
    448,490.64x = 619,067.06 × 267,259.42
  4. Step 4: Simplify right side
    448,490.64x = 165,451,503,396.71
  5. Step 5: Solve for x
    x = 165,451,503,396.71/448,490.64
  6. Step 6: Final answer
    x = 368,907.37

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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.