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Finding the Fourth Proportional to 577,277.62, 796,644.27 and 322,628.80

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Solution

The fourth proportional to 577,277.62, 796,644.27 and 322,628.80 is: 445,228.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,277.62 : 796,644.27 = 322,628.80 : x
  2. Step 2: Convert to fraction form
    577,277.62/796,644.27 = 322,628.80/x
  3. Step 3: Cross multiply
    577,277.62x = 796,644.27 × 322,628.80
  4. Step 4: Simplify right side
    577,277.62x = 257,020,384,856.98
  5. Step 5: Solve for x
    x = 257,020,384,856.98/577,277.62
  6. Step 6: Final answer
    x = 445,228.39

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1.5x scale

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.