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Finding the Fourth Proportional to 294,874.20, 441,655.20 and 228,097.80

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Solution

The fourth proportional to 294,874.20, 441,655.20 and 228,097.80 is: 341,639.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,874.20 : 441,655.20 = 228,097.80 : x
  2. Step 2: Convert to fraction form
    294,874.20/441,655.20 = 228,097.80/x
  3. Step 3: Cross multiply
    294,874.20x = 441,655.20 × 228,097.80
  4. Step 4: Simplify right side
    294,874.20x = 100,740,579,478.56
  5. Step 5: Solve for x
    x = 100,740,579,478.56/294,874.20
  6. Step 6: Final answer
    x = 341,639.18

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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.