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Finding the Fourth Proportional to 576,571.68, 864,940.20 and 177,245.97

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Solution

The fourth proportional to 576,571.68, 864,940.20 and 177,245.97 is: 265,894.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,571.68 : 864,940.20 = 177,245.97 : x
  2. Step 2: Convert to fraction form
    576,571.68/864,940.20 = 177,245.97/x
  3. Step 3: Cross multiply
    576,571.68x = 864,940.20 × 177,245.97
  4. Step 4: Simplify right side
    576,571.68x = 153,307,164,740.99
  5. Step 5: Solve for x
    x = 153,307,164,740.99/576,571.68
  6. Step 6: Final answer
    x = 265,894.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.