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Finding the Fourth Proportional to 268,458.75, 370,327.26 and 166,449.78

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Solution

The fourth proportional to 268,458.75, 370,327.26 and 166,449.78 is: 229,610.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,458.75 : 370,327.26 = 166,449.78 : x
  2. Step 2: Convert to fraction form
    268,458.75/370,327.26 = 166,449.78/x
  3. Step 3: Cross multiply
    268,458.75x = 370,327.26 × 166,449.78
  4. Step 4: Simplify right side
    268,458.75x = 61,640,890,955.00
  5. Step 5: Solve for x
    x = 61,640,890,955.00/268,458.75
  6. Step 6: Final answer
    x = 229,610.29

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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.