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Finding the Fourth Proportional to 656,437.51, 984,761.34 and 277,361.91

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Solution

The fourth proportional to 656,437.51, 984,761.34 and 277,361.91 is: 416,087.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,437.51 : 984,761.34 = 277,361.91 : x
  2. Step 2: Convert to fraction form
    656,437.51/984,761.34 = 277,361.91/x
  3. Step 3: Cross multiply
    656,437.51x = 984,761.34 × 277,361.91
  4. Step 4: Simplify right side
    656,437.51x = 273,135,286,156.56
  5. Step 5: Solve for x
    x = 273,135,286,156.56/656,437.51
  6. Step 6: Final answer
    x = 416,087.26

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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.