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Finding the Fourth Proportional to 656,064.66, 905,399.46 and 365,695.26

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Solution

The fourth proportional to 656,064.66, 905,399.46 and 365,695.26 is: 504,676.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,064.66 : 905,399.46 = 365,695.26 : x
  2. Step 2: Convert to fraction form
    656,064.66/905,399.46 = 365,695.26/x
  3. Step 3: Cross multiply
    656,064.66x = 905,399.46 × 365,695.26
  4. Step 4: Simplify right side
    656,064.66x = 331,100,290,928.56
  5. Step 5: Solve for x
    x = 331,100,290,928.56/656,064.66
  6. Step 6: Final answer
    x = 504,676.31

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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.