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Finding the Fourth Proportional to 550,382.51, 825,834.67 and 265,913.62

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Solution

The fourth proportional to 550,382.51, 825,834.67 and 265,913.62 is: 398,996.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,382.51 : 825,834.67 = 265,913.62 : x
  2. Step 2: Convert to fraction form
    550,382.51/825,834.67 = 265,913.62/x
  3. Step 3: Cross multiply
    550,382.51x = 825,834.67 × 265,913.62
  4. Step 4: Simplify right side
    550,382.51x = 219,600,682,492.03
  5. Step 5: Solve for x
    x = 219,600,682,492.03/550,382.51
  6. Step 6: Final answer
    x = 398,996.48

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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.