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Finding the Fourth Proportional to 337,535.40, 505,622.70 and 210,786.60

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Solution

The fourth proportional to 337,535.40, 505,622.70 and 210,786.60 is: 315,755.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,535.40 : 505,622.70 = 210,786.60 : x
  2. Step 2: Convert to fraction form
    337,535.40/505,622.70 = 210,786.60/x
  3. Step 3: Cross multiply
    337,535.40x = 505,622.70 × 210,786.60
  4. Step 4: Simplify right side
    337,535.40x = 106,578,489,815.82
  5. Step 5: Solve for x
    x = 106,578,489,815.82/337,535.40
  6. Step 6: Final answer
    x = 315,755.00

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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.