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Finding the Fourth Proportional to 1,821,493, 2,732,370.72 and 699,562

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Solution

The fourth proportional to 1,821,493, 2,732,370.72 and 699,562 is: 1,049,393.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,493 : 2,732,370.72 = 699,562 : x
  2. Step 2: Convert to fraction form
    1,821,493/2,732,370.72 = 699,562/x
  3. Step 3: Cross multiply
    1,821,493x = 2,732,370.72 × 699,562
  4. Step 4: Simplify right side
    1,821,493x = 1,911,462,725,624.64
  5. Step 5: Solve for x
    x = 1,911,462,725,624.64/1,821,493
  6. Step 6: Final answer
    x = 1,049,393.40

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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.