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Finding the Fourth Proportional to 577,292.58, 796,661.76 and 322,643.77

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Solution

The fourth proportional to 577,292.58, 796,661.76 and 322,643.77 is: 445,247.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,292.58 : 796,661.76 = 322,643.77 : x
  2. Step 2: Convert to fraction form
    577,292.58/796,661.76 = 322,643.77/x
  3. Step 3: Cross multiply
    577,292.58x = 796,661.76 × 322,643.77
  4. Step 4: Simplify right side
    577,292.58x = 257,037,951,064.62
  5. Step 5: Solve for x
    x = 257,037,951,064.62/577,292.58
  6. Step 6: Final answer
    x = 445,247.28

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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.