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Finding the Fourth Proportional to 448,067.46, 618,332.76 and 246,863.46

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Solution

The fourth proportional to 448,067.46, 618,332.76 and 246,863.46 is: 340,671.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,067.46 : 618,332.76 = 246,863.46 : x
  2. Step 2: Convert to fraction form
    448,067.46/618,332.76 = 246,863.46/x
  3. Step 3: Cross multiply
    448,067.46x = 618,332.76 × 246,863.46
  4. Step 4: Simplify right side
    448,067.46x = 152,643,764,564.95
  5. Step 5: Solve for x
    x = 152,643,764,564.95/448,067.46
  6. Step 6: Final answer
    x = 340,671.39

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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.