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Finding the Fourth Proportional to 522,850.51, 783,645.11 and 269,993.15

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Solution

The fourth proportional to 522,850.51, 783,645.11 and 269,993.15 is: 404,664.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,850.51 : 783,645.11 = 269,993.15 : x
  2. Step 2: Convert to fraction form
    522,850.51/783,645.11 = 269,993.15/x
  3. Step 3: Cross multiply
    522,850.51x = 783,645.11 × 269,993.15
  4. Step 4: Simplify right side
    522,850.51x = 211,578,806,462.81
  5. Step 5: Solve for x
    x = 211,578,806,462.81/522,850.51
  6. Step 6: Final answer
    x = 404,664.06

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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.