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Finding the Fourth Proportional to 577,292.77, 796,662.02 and 322,643.96

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Solution

The fourth proportional to 577,292.77, 796,662.02 and 322,643.96 is: 445,247.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,292.77 : 796,662.02 = 322,643.96 : x
  2. Step 2: Convert to fraction form
    577,292.77/796,662.02 = 322,643.96/x
  3. Step 3: Cross multiply
    577,292.77x = 796,662.02 × 322,643.96
  4. Step 4: Simplify right side
    577,292.77x = 257,038,183,317.87
  5. Step 5: Solve for x
    x = 257,038,183,317.87/577,292.77
  6. Step 6: Final answer
    x = 445,247.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.