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Finding the Fourth Proportional to 294,329.60, 441,040.80 and 219,096.80

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Solution

The fourth proportional to 294,329.60, 441,040.80 and 219,096.80 is: 328,307.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,329.60 : 441,040.80 = 219,096.80 : x
  2. Step 2: Convert to fraction form
    294,329.60/441,040.80 = 219,096.80/x
  3. Step 3: Cross multiply
    294,329.60x = 441,040.80 × 219,096.80
  4. Step 4: Simplify right side
    294,329.60x = 96,630,627,949.44
  5. Step 5: Solve for x
    x = 96,630,627,949.44/294,329.60
  6. Step 6: Final answer
    x = 328,307.54

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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.