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Finding the Fourth Proportional to 324,019.60, 485,883.60 and 124,273.60

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Solution

The fourth proportional to 324,019.60, 485,883.60 and 124,273.60 is: 186,354.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,019.60 : 485,883.60 = 124,273.60 : x
  2. Step 2: Convert to fraction form
    324,019.60/485,883.60 = 124,273.60/x
  3. Step 3: Cross multiply
    324,019.60x = 485,883.60 × 124,273.60
  4. Step 4: Simplify right side
    324,019.60x = 60,382,504,152.96
  5. Step 5: Solve for x
    x = 60,382,504,152.96/324,019.60
  6. Step 6: Final answer
    x = 186,354.48

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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.