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Finding the Fourth Proportional to 1,883,418, 2,825,127 and 482,586

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Solution

The fourth proportional to 1,883,418, 2,825,127 and 482,586 is: 723,879

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883,418 : 2,825,127 = 482,586 : x
  2. Step 2: Convert to fraction form
    1,883,418/2,825,127 = 482,586/x
  3. Step 3: Cross multiply
    1,883,418x = 2,825,127 × 482,586
  4. Step 4: Simplify right side
    1,883,418x = 1,363,366,738,422
  5. Step 5: Solve for x
    x = 1,363,366,738,422/1,883,418
  6. Step 6: Final answer
    x = 723,879

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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.