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Finding the Fourth Proportional to 368,576.69, 508,792.77 and 247,788.04

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Solution

The fourth proportional to 368,576.69, 508,792.77 and 247,788.04 is: 342,052.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,576.69 : 508,792.77 = 247,788.04 : x
  2. Step 2: Convert to fraction form
    368,576.69/508,792.77 = 247,788.04/x
  3. Step 3: Cross multiply
    368,576.69x = 508,792.77 × 247,788.04
  4. Step 4: Simplify right side
    368,576.69x = 126,072,760,700.51
  5. Step 5: Solve for x
    x = 126,072,760,700.51/368,576.69
  6. Step 6: Final answer
    x = 342,052.99

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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.