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Finding the Fourth Proportional to 577,318.96, 796,686.38 and 322,693.84

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Solution

The fourth proportional to 577,318.96, 796,686.38 and 322,693.84 is: 445,309.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,318.96 : 796,686.38 = 322,693.84 : x
  2. Step 2: Convert to fraction form
    577,318.96/796,686.38 = 322,693.84/x
  3. Step 3: Cross multiply
    577,318.96x = 796,686.38 × 322,693.84
  4. Step 4: Simplify right side
    577,318.96x = 257,085,783,254.47
  5. Step 5: Solve for x
    x = 257,085,783,254.47/577,318.96
  6. Step 6: Final answer
    x = 445,309.79

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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.