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Finding the Fourth Proportional to 3,493,288.96, 5,239,933.12 and 968,944.32

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Solution

The fourth proportional to 3,493,288.96, 5,239,933.12 and 968,944.32 is: 1,453,416.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493,288.96 : 5,239,933.12 = 968,944.32 : x
  2. Step 2: Convert to fraction form
    3,493,288.96/5,239,933.12 = 968,944.32/x
  3. Step 3: Cross multiply
    3,493,288.96x = 5,239,933.12 × 968,944.32
  4. Step 4: Simplify right side
    3,493,288.96x = 5,077,203,433,803.88
  5. Step 5: Solve for x
    x = 5,077,203,433,803.88/3,493,288.96
  6. Step 6: Final answer
    x = 1,453,416.39

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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.