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Finding the Fourth Proportional to 577,039.80, 796,303.24 and 350,758.20

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Solution

The fourth proportional to 577,039.80, 796,303.24 and 350,758.20 is: 484,039.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,039.80 : 796,303.24 = 350,758.20 : x
  2. Step 2: Convert to fraction form
    577,039.80/796,303.24 = 350,758.20/x
  3. Step 3: Cross multiply
    577,039.80x = 796,303.24 × 350,758.20
  4. Step 4: Simplify right side
    577,039.80x = 279,309,891,116.57
  5. Step 5: Solve for x
    x = 279,309,891,116.57/577,039.80
  6. Step 6: Final answer
    x = 484,039.21

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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.