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Finding the Fourth Proportional to 577,344.96, 796,753.44 and 322,689.60

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Solution

The fourth proportional to 577,344.96, 796,753.44 and 322,689.60 is: 445,321.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,344.96 : 796,753.44 = 322,689.60 : x
  2. Step 2: Convert to fraction form
    577,344.96/796,753.44 = 322,689.60/x
  3. Step 3: Cross multiply
    577,344.96x = 796,753.44 × 322,689.60
  4. Step 4: Simplify right side
    577,344.96x = 257,104,048,852.22
  5. Step 5: Solve for x
    x = 257,104,048,852.22/577,344.96
  6. Step 6: Final answer
    x = 445,321.37

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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.