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Finding the Fourth Proportional to 529,319.75, 793,896.24 and 439,936.37

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Solution

The fourth proportional to 529,319.75, 793,896.24 and 439,936.37 is: 659,835.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,319.75 : 793,896.24 = 439,936.37 : x
  2. Step 2: Convert to fraction form
    529,319.75/793,896.24 = 439,936.37/x
  3. Step 3: Cross multiply
    529,319.75x = 793,896.24 × 439,936.37
  4. Step 4: Simplify right side
    529,319.75x = 349,263,826,012.77
  5. Step 5: Solve for x
    x = 349,263,826,012.77/529,319.75
  6. Step 6: Final answer
    x = 659,835.25

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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.