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Finding the Fourth Proportional to 453,736.54, 678,894.74 and 270,690.41

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Solution

The fourth proportional to 453,736.54, 678,894.74 and 270,690.41 is: 405,015.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,736.54 : 678,894.74 = 270,690.41 : x
  2. Step 2: Convert to fraction form
    453,736.54/678,894.74 = 270,690.41/x
  3. Step 3: Cross multiply
    453,736.54x = 678,894.74 × 270,690.41
  4. Step 4: Simplify right side
    453,736.54x = 183,770,295,345.55
  5. Step 5: Solve for x
    x = 183,770,295,345.55/453,736.54
  6. Step 6: Final answer
    x = 405,015.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.