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Finding the Fourth Proportional to 300,601.94, 415,628.21 and 262,767.65

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Solution

The fourth proportional to 300,601.94, 415,628.21 and 262,767.65 is: 363,316.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,601.94 : 415,628.21 = 262,767.65 : x
  2. Step 2: Convert to fraction form
    300,601.94/415,628.21 = 262,767.65/x
  3. Step 3: Cross multiply
    300,601.94x = 415,628.21 × 262,767.65
  4. Step 4: Simplify right side
    300,601.94x = 109,213,646,594.19
  5. Step 5: Solve for x
    x = 109,213,646,594.19/300,601.94
  6. Step 6: Final answer
    x = 363,316.51

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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.