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Finding the Fourth Proportional to 664,418.44, 916,884.66 and 362,614.60

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Solution

The fourth proportional to 664,418.44, 916,884.66 and 362,614.60 is: 500,401.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,418.44 : 916,884.66 = 362,614.60 : x
  2. Step 2: Convert to fraction form
    664,418.44/916,884.66 = 362,614.60/x
  3. Step 3: Cross multiply
    664,418.44x = 916,884.66 × 362,614.60
  4. Step 4: Simplify right side
    664,418.44x = 332,475,764,232.04
  5. Step 5: Solve for x
    x = 332,475,764,232.04/664,418.44
  6. Step 6: Final answer
    x = 500,401.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.