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Finding the Fourth Proportional to 922,662.90, 1,383,994.35 and 543,194.10

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Solution

The fourth proportional to 922,662.90, 1,383,994.35 and 543,194.10 is: 814,791.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,662.90 : 1,383,994.35 = 543,194.10 : x
  2. Step 2: Convert to fraction form
    922,662.90/1,383,994.35 = 543,194.10/x
  3. Step 3: Cross multiply
    922,662.90x = 1,383,994.35 × 543,194.10
  4. Step 4: Simplify right side
    922,662.90x = 751,777,565,353.34
  5. Step 5: Solve for x
    x = 751,777,565,353.34/922,662.90
  6. Step 6: Final answer
    x = 814,791.15

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Double scale
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Similar ratio
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1.5x scale

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.