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Finding the Fourth Proportional to 565,343.36, 848,019.72 and 165,990.56

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Solution

The fourth proportional to 565,343.36, 848,019.72 and 165,990.56 is: 248,987.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,343.36 : 848,019.72 = 165,990.56 : x
  2. Step 2: Convert to fraction form
    565,343.36/848,019.72 = 165,990.56/x
  3. Step 3: Cross multiply
    565,343.36x = 848,019.72 × 165,990.56
  4. Step 4: Simplify right side
    565,343.36x = 140,763,268,213.84
  5. Step 5: Solve for x
    x = 140,763,268,213.84/565,343.36
  6. Step 6: Final answer
    x = 248,987.21

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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.