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Finding the Fourth Proportional to 675,995.91, 1,014,184.62 and 338,629.29

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Solution

The fourth proportional to 675,995.91, 1,014,184.62 and 338,629.29 is: 508,039.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,995.91 : 1,014,184.62 = 338,629.29 : x
  2. Step 2: Convert to fraction form
    675,995.91/1,014,184.62 = 338,629.29/x
  3. Step 3: Cross multiply
    675,995.91x = 1,014,184.62 × 338,629.29
  4. Step 4: Simplify right side
    675,995.91x = 343,432,617,799.52
  5. Step 5: Solve for x
    x = 343,432,617,799.52/675,995.91
  6. Step 6: Final answer
    x = 508,039.49

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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.