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Finding the Fourth Proportional to 656,759.44, 905,291.58 and 484,123.96

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Solution

The fourth proportional to 656,759.44, 905,291.58 and 484,123.96 is: 667,327.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,759.44 : 905,291.58 = 484,123.96 : x
  2. Step 2: Convert to fraction form
    656,759.44/905,291.58 = 484,123.96/x
  3. Step 3: Cross multiply
    656,759.44x = 905,291.58 × 484,123.96
  4. Step 4: Simplify right side
    656,759.44x = 438,273,344,664.26
  5. Step 5: Solve for x
    x = 438,273,344,664.26/656,759.44
  6. Step 6: Final answer
    x = 667,327.06

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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.