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Finding the Fourth Proportional to 1,330,362, 1,995,560.28 and 443,898

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Solution

The fourth proportional to 1,330,362, 1,995,560.28 and 443,898 is: 665,852.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,362 : 1,995,560.28 = 443,898 : x
  2. Step 2: Convert to fraction form
    1,330,362/1,995,560.28 = 443,898/x
  3. Step 3: Cross multiply
    1,330,362x = 1,995,560.28 × 443,898
  4. Step 4: Simplify right side
    1,330,362x = 885,825,217,171.44
  5. Step 5: Solve for x
    x = 885,825,217,171.44/1,330,362
  6. Step 6: Final answer
    x = 665,852.77

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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.