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Finding the Fourth Proportional to 557,367.70, 835,954.35 and 202,198.90

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Solution

The fourth proportional to 557,367.70, 835,954.35 and 202,198.90 is: 303,263.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,367.70 : 835,954.35 = 202,198.90 : x
  2. Step 2: Convert to fraction form
    557,367.70/835,954.35 = 202,198.90/x
  3. Step 3: Cross multiply
    557,367.70x = 835,954.35 × 202,198.90
  4. Step 4: Simplify right side
    557,367.70x = 169,029,050,020.22
  5. Step 5: Solve for x
    x = 169,029,050,020.22/557,367.70
  6. Step 6: Final answer
    x = 303,263.09

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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.