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Finding the Fourth Proportional to 301,536.54, 416,120.49 and 167,400.54

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Solution

The fourth proportional to 301,536.54, 416,120.49 and 167,400.54 is: 231,012.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,536.54 : 416,120.49 = 167,400.54 : x
  2. Step 2: Convert to fraction form
    301,536.54/416,120.49 = 167,400.54/x
  3. Step 3: Cross multiply
    301,536.54x = 416,120.49 × 167,400.54
  4. Step 4: Simplify right side
    301,536.54x = 69,658,794,731.06
  5. Step 5: Solve for x
    x = 69,658,794,731.06/301,536.54
  6. Step 6: Final answer
    x = 231,012.78

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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.