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Finding the Fourth Proportional to 505,183.70, 757,775.55 and 325,822.37

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Solution

The fourth proportional to 505,183.70, 757,775.55 and 325,822.37 is: 488,733.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,183.70 : 757,775.55 = 325,822.37 : x
  2. Step 2: Convert to fraction form
    505,183.70/757,775.55 = 325,822.37/x
  3. Step 3: Cross multiply
    505,183.70x = 757,775.55 × 325,822.37
  4. Step 4: Simplify right side
    505,183.70x = 246,900,221,840.18
  5. Step 5: Solve for x
    x = 246,900,221,840.18/505,183.70
  6. Step 6: Final answer
    x = 488,733.55

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Similar ratio
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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.