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Finding the Fourth Proportional to 922,616.90, 1,383,925.35 and 823,084.10

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Solution

The fourth proportional to 922,616.90, 1,383,925.35 and 823,084.10 is: 1,234,626.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,616.90 : 1,383,925.35 = 823,084.10 : x
  2. Step 2: Convert to fraction form
    922,616.90/1,383,925.35 = 823,084.10/x
  3. Step 3: Cross multiply
    922,616.90x = 1,383,925.35 × 823,084.10
  4. Step 4: Simplify right side
    922,616.90x = 1,139,086,951,171.94
  5. Step 5: Solve for x
    x = 1,139,086,951,171.94/922,616.90
  6. Step 6: Final answer
    x = 1,234,626.15

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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.