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Finding the Fourth Proportional to 336,940.56, 504,986.40 and 294,720.12

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Solution

The fourth proportional to 336,940.56, 504,986.40 and 294,720.12 is: 441,708.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,940.56 : 504,986.40 = 294,720.12 : x
  2. Step 2: Convert to fraction form
    336,940.56/504,986.40 = 294,720.12/x
  3. Step 3: Cross multiply
    336,940.56x = 504,986.40 × 294,720.12
  4. Step 4: Simplify right side
    336,940.56x = 148,829,652,406.37
  5. Step 5: Solve for x
    x = 148,829,652,406.37/336,940.56
  6. Step 6: Final answer
    x = 441,708.92

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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.