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Finding the Fourth Proportional to 569,628.63, 853,940.07 and 214,891.76

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Solution

The fourth proportional to 569,628.63, 853,940.07 and 214,891.76 is: 322,147.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,628.63 : 853,940.07 = 214,891.76 : x
  2. Step 2: Convert to fraction form
    569,628.63/853,940.07 = 214,891.76/x
  3. Step 3: Cross multiply
    569,628.63x = 853,940.07 × 214,891.76
  4. Step 4: Simplify right side
    569,628.63x = 183,504,686,711.67
  5. Step 5: Solve for x
    x = 183,504,686,711.67/569,628.63
  6. Step 6: Final answer
    x = 322,147.93

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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.