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Finding the Fourth Proportional to 255,043.20, 352,027.20 and 179,625.60

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Solution

The fourth proportional to 255,043.20, 352,027.20 and 179,625.60 is: 247,930.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,043.20 : 352,027.20 = 179,625.60 : x
  2. Step 2: Convert to fraction form
    255,043.20/352,027.20 = 179,625.60/x
  3. Step 3: Cross multiply
    255,043.20x = 352,027.20 × 179,625.60
  4. Step 4: Simplify right side
    255,043.20x = 63,233,097,016.32
  5. Step 5: Solve for x
    x = 63,233,097,016.32/255,043.20
  6. Step 6: Final answer
    x = 247,930.93

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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.