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Finding the Fourth Proportional to 1,895,746.19, 2,843,338.97 and 697,388.27

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Solution

The fourth proportional to 1,895,746.19, 2,843,338.97 and 697,388.27 is: 1,045,979.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895,746.19 : 2,843,338.97 = 697,388.27 : x
  2. Step 2: Convert to fraction form
    1,895,746.19/2,843,338.97 = 697,388.27/x
  3. Step 3: Cross multiply
    1,895,746.19x = 2,843,338.97 × 697,388.27
  4. Step 4: Simplify right side
    1,895,746.19x = 1,982,911,243,568.41
  5. Step 5: Solve for x
    x = 1,982,911,243,568.41/1,895,746.19
  6. Step 6: Final answer
    x = 1,045,979.28

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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.