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Finding the Fourth Proportional to 667,093.74, 920,589.75 and 365,287.74

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Solution

The fourth proportional to 667,093.74, 920,589.75 and 365,287.74 is: 504,097.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,093.74 : 920,589.75 = 365,287.74 : x
  2. Step 2: Convert to fraction form
    667,093.74/920,589.75 = 365,287.74/x
  3. Step 3: Cross multiply
    667,093.74x = 920,589.75 × 365,287.74
  4. Step 4: Simplify right side
    667,093.74x = 336,280,149,244.67
  5. Step 5: Solve for x
    x = 336,280,149,244.67/667,093.74
  6. Step 6: Final answer
    x = 504,097.29

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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.