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Finding the Fourth Proportional to 922,266.90, 1,383,400.35 and 851,408.10

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Solution

The fourth proportional to 922,266.90, 1,383,400.35 and 851,408.10 is: 1,277,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,266.90 : 1,383,400.35 = 851,408.10 : x
  2. Step 2: Convert to fraction form
    922,266.90/1,383,400.35 = 851,408.10/x
  3. Step 3: Cross multiply
    922,266.90x = 1,383,400.35 × 851,408.10
  4. Step 4: Simplify right side
    922,266.90x = 1,177,838,263,532.84
  5. Step 5: Solve for x
    x = 1,177,838,263,532.84/922,266.90
  6. Step 6: Final answer
    x = 1,277,112.15

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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.