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Finding the Fourth Proportional to 493,067.25, 680,433.41 and 266,712.75

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Solution

The fourth proportional to 493,067.25, 680,433.41 and 266,712.75 is: 368,063.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,067.25 : 680,433.41 = 266,712.75 : x
  2. Step 2: Convert to fraction form
    493,067.25/680,433.41 = 266,712.75/x
  3. Step 3: Cross multiply
    493,067.25x = 680,433.41 × 266,712.75
  4. Step 4: Simplify right side
    493,067.25x = 181,480,266,639.76
  5. Step 5: Solve for x
    x = 181,480,266,639.76/493,067.25
  6. Step 6: Final answer
    x = 368,063.92

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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.