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Finding the Fourth Proportional to 294,004.40, 439,969.80 and 204,839.60

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Solution

The fourth proportional to 294,004.40, 439,969.80 and 204,839.60 is: 306,537.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,004.40 : 439,969.80 = 204,839.60 : x
  2. Step 2: Convert to fraction form
    294,004.40/439,969.80 = 204,839.60/x
  3. Step 3: Cross multiply
    294,004.40x = 439,969.80 × 204,839.60
  4. Step 4: Simplify right side
    294,004.40x = 90,123,237,844.08
  5. Step 5: Solve for x
    x = 90,123,237,844.08/294,004.40
  6. Step 6: Final answer
    x = 306,537.04

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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.