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Finding the Fourth Proportional to 577,007.44, 796,228.56 and 318,881.30

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Solution

The fourth proportional to 577,007.44, 796,228.56 and 318,881.30 is: 440,033.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,007.44 : 796,228.56 = 318,881.30 : x
  2. Step 2: Convert to fraction form
    577,007.44/796,228.56 = 318,881.30/x
  3. Step 3: Cross multiply
    577,007.44x = 796,228.56 × 318,881.30
  4. Step 4: Simplify right side
    577,007.44x = 253,902,394,328.79
  5. Step 5: Solve for x
    x = 253,902,394,328.79/577,007.44
  6. Step 6: Final answer
    x = 440,033.14

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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.