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Finding the Fourth Proportional to 594,910.41, 820,986.27 and 322,978.38

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Solution

The fourth proportional to 594,910.41, 820,986.27 and 322,978.38 is: 445,715.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,910.41 : 820,986.27 = 322,978.38 : x
  2. Step 2: Convert to fraction form
    594,910.41/820,986.27 = 322,978.38/x
  3. Step 3: Cross multiply
    594,910.41x = 820,986.27 × 322,978.38
  4. Step 4: Simplify right side
    594,910.41x = 265,160,815,486.84
  5. Step 5: Solve for x
    x = 265,160,815,486.84/594,910.41
  6. Step 6: Final answer
    x = 445,715.54

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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.