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Finding the Fourth Proportional to 577,314.95, 796,680.87 and 322,689.83

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Solution

The fourth proportional to 577,314.95, 796,680.87 and 322,689.83 is: 445,304.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,314.95 : 796,680.87 = 322,689.83 : x
  2. Step 2: Convert to fraction form
    577,314.95/796,680.87 = 322,689.83/x
  3. Step 3: Cross multiply
    577,314.95x = 796,680.87 × 322,689.83
  4. Step 4: Simplify right side
    577,314.95x = 257,080,814,504.55
  5. Step 5: Solve for x
    x = 257,080,814,504.55/577,314.95
  6. Step 6: Final answer
    x = 445,304.27

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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.