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Finding the Fourth Proportional to 294,563.60, 441,391.80 and 219,330.80

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Solution

The fourth proportional to 294,563.60, 441,391.80 and 219,330.80 is: 328,658.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,563.60 : 441,391.80 = 219,330.80 : x
  2. Step 2: Convert to fraction form
    294,563.60/441,391.80 = 219,330.80/x
  3. Step 3: Cross multiply
    294,563.60x = 441,391.80 × 219,330.80
  4. Step 4: Simplify right side
    294,563.60x = 96,810,816,607.44
  5. Step 5: Solve for x
    x = 96,810,816,607.44/294,563.60
  6. Step 6: Final answer
    x = 328,658.45

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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.