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Finding the Fourth Proportional to 577,285.43, 796,636.76 and 322,636.01

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Solution

The fourth proportional to 577,285.43, 796,636.76 and 322,636.01 is: 445,228.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,285.43 : 796,636.76 = 322,636.01 : x
  2. Step 2: Convert to fraction form
    577,285.43/796,636.76 = 322,636.01/x
  3. Step 3: Cross multiply
    577,285.43x = 796,636.76 × 322,636.01
  4. Step 4: Simplify right side
    577,285.43x = 257,023,700,069.36
  5. Step 5: Solve for x
    x = 257,023,700,069.36/577,285.43
  6. Step 6: Final answer
    x = 445,228.11

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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.