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Finding the Fourth Proportional to 468,015.90, 702,023.85 and 419,027.10

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Solution

The fourth proportional to 468,015.90, 702,023.85 and 419,027.10 is: 628,540.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,015.90 : 702,023.85 = 419,027.10 : x
  2. Step 2: Convert to fraction form
    468,015.90/702,023.85 = 419,027.10/x
  3. Step 3: Cross multiply
    468,015.90x = 702,023.85 × 419,027.10
  4. Step 4: Simplify right side
    468,015.90x = 294,167,017,996.34
  5. Step 5: Solve for x
    x = 294,167,017,996.34/468,015.90
  6. Step 6: Final answer
    x = 628,540.65

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Similar ratio
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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.