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Finding the Fourth Proportional to 577,125.16, 796,431.02 and 322,476.55

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Solution

The fourth proportional to 577,125.16, 796,431.02 and 322,476.55 is: 445,016.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,125.16 : 796,431.02 = 322,476.55 : x
  2. Step 2: Convert to fraction form
    577,125.16/796,431.02 = 322,476.55/x
  3. Step 3: Cross multiply
    577,125.16x = 796,431.02 × 322,476.55
  4. Step 4: Simplify right side
    577,125.16x = 256,830,324,039.12
  5. Step 5: Solve for x
    x = 256,830,324,039.12/577,125.16
  6. Step 6: Final answer
    x = 445,016.68

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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.