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Finding the Fourth Proportional to 694,662.60, 1,041,410.70 and 362,238.60

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Solution

The fourth proportional to 694,662.60, 1,041,410.70 and 362,238.60 is: 543,053.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,662.60 : 1,041,410.70 = 362,238.60 : x
  2. Step 2: Convert to fraction form
    694,662.60/1,041,410.70 = 362,238.60/x
  3. Step 3: Cross multiply
    694,662.60x = 1,041,410.70 × 362,238.60
  4. Step 4: Simplify right side
    694,662.60x = 377,239,153,993.02
  5. Step 5: Solve for x
    x = 377,239,153,993.02/694,662.60
  6. Step 6: Final answer
    x = 543,053.78

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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.