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Finding the Fourth Proportional to 605,842.70, 846,520.90 and 605,842.70

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Solution

The fourth proportional to 605,842.70, 846,520.90 and 605,842.70 is: 846,520.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,842.70 : 846,520.90 = 605,842.70 : x
  2. Step 2: Convert to fraction form
    605,842.70/846,520.90 = 605,842.70/x
  3. Step 3: Cross multiply
    605,842.70x = 846,520.90 × 605,842.70
  4. Step 4: Simplify right side
    605,842.70x = 512,858,507,662.43
  5. Step 5: Solve for x
    x = 512,858,507,662.43/605,842.70
  6. Step 6: Final answer
    x = 846,520.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.