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Finding the Fourth Proportional to 294,750.20, 441,805.40 and 193,505.77

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Solution

The fourth proportional to 294,750.20, 441,805.40 and 193,505.77 is: 290,048.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,750.20 : 441,805.40 = 193,505.77 : x
  2. Step 2: Convert to fraction form
    294,750.20/441,805.40 = 193,505.77/x
  3. Step 3: Cross multiply
    294,750.20x = 441,805.40 × 193,505.77
  4. Step 4: Simplify right side
    294,750.20x = 85,491,894,427.53
  5. Step 5: Solve for x
    x = 85,491,894,427.53/294,750.20
  6. Step 6: Final answer
    x = 290,048.64

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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.