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Finding the Fourth Proportional to 291,811.28, 437,796.28 and 125,562.32

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Solution

The fourth proportional to 291,811.28, 437,796.28 and 125,562.32 is: 188,377.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,811.28 : 437,796.28 = 125,562.32 : x
  2. Step 2: Convert to fraction form
    291,811.28/437,796.28 = 125,562.32/x
  3. Step 3: Cross multiply
    291,811.28x = 437,796.28 × 125,562.32
  4. Step 4: Simplify right side
    291,811.28x = 54,970,716,604.17
  5. Step 5: Solve for x
    x = 54,970,716,604.17/291,811.28
  6. Step 6: Final answer
    x = 188,377.63

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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.