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Finding the Fourth Proportional to 577,292.76, 796,662 and 322,643.94

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Solution

The fourth proportional to 577,292.76, 796,662 and 322,643.94 is: 445,247.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,292.76 : 796,662 = 322,643.94 : x
  2. Step 2: Convert to fraction form
    577,292.76/796,662 = 322,643.94/x
  3. Step 3: Cross multiply
    577,292.76x = 796,662 × 322,643.94
  4. Step 4: Simplify right side
    577,292.76x = 257,038,166,528.28
  5. Step 5: Solve for x
    x = 257,038,166,528.28/577,292.76
  6. Step 6: Final answer
    x = 445,247.51

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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.