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Finding the Fourth Proportional to 505,509.33, 758,589.93 and 325,575.93

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Solution

The fourth proportional to 505,509.33, 758,589.93 and 325,575.93 is: 488,573.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,509.33 : 758,589.93 = 325,575.93 : x
  2. Step 2: Convert to fraction form
    505,509.33/758,589.93 = 325,575.93/x
  3. Step 3: Cross multiply
    505,509.33x = 758,589.93 × 325,575.93
  4. Step 4: Simplify right side
    505,509.33x = 246,978,621,948.39
  5. Step 5: Solve for x
    x = 246,978,621,948.39/505,509.33
  6. Step 6: Final answer
    x = 488,573.82

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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.