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Finding the Fourth Proportional to 1,895,623.48, 2,843,613.42 and 697,568.68

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Solution

The fourth proportional to 1,895,623.48, 2,843,613.42 and 697,568.68 is: 1,046,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895,623.48 : 2,843,613.42 = 697,568.68 : x
  2. Step 2: Convert to fraction form
    1,895,623.48/2,843,613.42 = 697,568.68/x
  3. Step 3: Cross multiply
    1,895,623.48x = 2,843,613.42 × 697,568.68
  4. Step 4: Simplify right side
    1,895,623.48x = 1,983,615,659,819.69
  5. Step 5: Solve for x
    x = 1,983,615,659,819.69/1,895,623.48
  6. Step 6: Final answer
    x = 1,046,418.60

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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.