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Finding the Fourth Proportional to 368,576.85, 508,792.99 and 247,788.19

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Solution

The fourth proportional to 368,576.85, 508,792.99 and 247,788.19 is: 342,053.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,576.85 : 508,792.99 = 247,788.19 : x
  2. Step 2: Convert to fraction form
    368,576.85/508,792.99 = 247,788.19/x
  3. Step 3: Cross multiply
    368,576.85x = 508,792.99 × 247,788.19
  4. Step 4: Simplify right side
    368,576.85x = 126,072,892,185.34
  5. Step 5: Solve for x
    x = 126,072,892,185.34/368,576.85
  6. Step 6: Final answer
    x = 342,053.20

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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.