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Finding the Fourth Proportional to 368,576.75, 508,792.86 and 247,788.10

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Solution

The fourth proportional to 368,576.75, 508,792.86 and 247,788.10 is: 342,053.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,576.75 : 508,792.86 = 247,788.10 : x
  2. Step 2: Convert to fraction form
    368,576.75/508,792.86 = 247,788.10/x
  3. Step 3: Cross multiply
    368,576.75x = 508,792.86 × 247,788.10
  4. Step 4: Simplify right side
    368,576.75x = 126,072,816,072.97
  5. Step 5: Solve for x
    x = 126,072,816,072.97/368,576.75
  6. Step 6: Final answer
    x = 342,053.09

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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.