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Finding the Fourth Proportional to 301,803.26, 416,488.36 and 165,845.97

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Solution

The fourth proportional to 301,803.26, 416,488.36 and 165,845.97 is: 228,867.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,803.26 : 416,488.36 = 165,845.97 : x
  2. Step 2: Convert to fraction form
    301,803.26/416,488.36 = 165,845.97/x
  3. Step 3: Cross multiply
    301,803.26x = 416,488.36 × 165,845.97
  4. Step 4: Simplify right side
    301,803.26x = 69,072,916,057.91
  5. Step 5: Solve for x
    x = 69,072,916,057.91/301,803.26
  6. Step 6: Final answer
    x = 228,867.37

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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.