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Finding the Fourth Proportional to 469,081.41, 647,330.72 and 254,226.75

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Solution

The fourth proportional to 469,081.41, 647,330.72 and 254,226.75 is: 350,832.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,081.41 : 647,330.72 = 254,226.75 : x
  2. Step 2: Convert to fraction form
    469,081.41/647,330.72 = 254,226.75/x
  3. Step 3: Cross multiply
    469,081.41x = 647,330.72 × 254,226.75
  4. Step 4: Simplify right side
    469,081.41x = 164,568,783,849.63
  5. Step 5: Solve for x
    x = 164,568,783,849.63/469,081.41
  6. Step 6: Final answer
    x = 350,832.03

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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.