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Finding the Fourth Proportional to 291,759.48, 437,698.20 and 123,280.29

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Solution

The fourth proportional to 291,759.48, 437,698.20 and 123,280.29 is: 184,945.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,759.48 : 437,698.20 = 123,280.29 : x
  2. Step 2: Convert to fraction form
    291,759.48/437,698.20 = 123,280.29/x
  3. Step 3: Cross multiply
    291,759.48x = 437,698.20 × 123,280.29
  4. Step 4: Simplify right side
    291,759.48x = 53,959,561,028.48
  5. Step 5: Solve for x
    x = 53,959,561,028.48/291,759.48
  6. Step 6: Final answer
    x = 184,945.36

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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.