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Finding the Fourth Proportional to 294,804.48, 442,163.52 and 145,004.56

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Solution

The fourth proportional to 294,804.48, 442,163.52 and 145,004.56 is: 217,485.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,804.48 : 442,163.52 = 145,004.56 : x
  2. Step 2: Convert to fraction form
    294,804.48/442,163.52 = 145,004.56/x
  3. Step 3: Cross multiply
    294,804.48x = 442,163.52 × 145,004.56
  4. Step 4: Simplify right side
    294,804.48x = 64,115,726,665.65
  5. Step 5: Solve for x
    x = 64,115,726,665.65/294,804.48
  6. Step 6: Final answer
    x = 217,485.59

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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.