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Finding the Fourth Proportional to 1,449,641.86, 2,001,506.57 and 906,022

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Solution

The fourth proportional to 1,449,641.86, 2,001,506.57 and 906,022 is: 1,250,935.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,641.86 : 2,001,506.57 = 906,022 : x
  2. Step 2: Convert to fraction form
    1,449,641.86/2,001,506.57 = 906,022/x
  3. Step 3: Cross multiply
    1,449,641.86x = 2,001,506.57 × 906,022
  4. Step 4: Simplify right side
    1,449,641.86x = 1,813,408,985,564.54
  5. Step 5: Solve for x
    x = 1,813,408,985,564.54/1,449,641.86
  6. Step 6: Final answer
    x = 1,250,935.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.