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Finding the Fourth Proportional to 594,944.40, 820,329.60 and 443,778.96

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Solution

The fourth proportional to 594,944.40, 820,329.60 and 443,778.96 is: 611,897.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,944.40 : 820,329.60 = 443,778.96 : x
  2. Step 2: Convert to fraction form
    594,944.40/820,329.60 = 443,778.96/x
  3. Step 3: Cross multiply
    594,944.40x = 820,329.60 × 443,778.96
  4. Step 4: Simplify right side
    594,944.40x = 364,045,016,745.22
  5. Step 5: Solve for x
    x = 364,045,016,745.22/594,944.40
  6. Step 6: Final answer
    x = 611,897.54

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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.