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Finding the Fourth Proportional to 294,862.60, 441,840.30 and 219,629.80

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Solution

The fourth proportional to 294,862.60, 441,840.30 and 219,629.80 is: 329,106.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,862.60 : 441,840.30 = 219,629.80 : x
  2. Step 2: Convert to fraction form
    294,862.60/441,840.30 = 219,629.80/x
  3. Step 3: Cross multiply
    294,862.60x = 441,840.30 × 219,629.80
  4. Step 4: Simplify right side
    294,862.60x = 97,041,296,720.94
  5. Step 5: Solve for x
    x = 97,041,296,720.94/294,862.60
  6. Step 6: Final answer
    x = 329,106.83

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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.