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Finding the Fourth Proportional to 298,922.40, 448,383.60 and 228,063.60

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Solution

The fourth proportional to 298,922.40, 448,383.60 and 228,063.60 is: 342,095.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,922.40 : 448,383.60 = 228,063.60 : x
  2. Step 2: Convert to fraction form
    298,922.40/448,383.60 = 228,063.60/x
  3. Step 3: Cross multiply
    298,922.40x = 448,383.60 × 228,063.60
  4. Step 4: Simplify right side
    298,922.40x = 102,259,977,996.96
  5. Step 5: Solve for x
    x = 102,259,977,996.96/298,922.40
  6. Step 6: Final answer
    x = 342,095.40

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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.