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Finding the Fourth Proportional to 368,576.04, 508,791.86 and 247,787.37

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Solution

The fourth proportional to 368,576.04, 508,791.86 and 247,787.37 is: 342,052.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,576.04 : 508,791.86 = 247,787.37 : x
  2. Step 2: Convert to fraction form
    368,576.04/508,791.86 = 247,787.37/x
  3. Step 3: Cross multiply
    368,576.04x = 508,791.86 × 247,787.37
  4. Step 4: Simplify right side
    368,576.04x = 126,072,196,866.81
  5. Step 5: Solve for x
    x = 126,072,196,866.81/368,576.04
  6. Step 6: Final answer
    x = 342,052.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.