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Finding the Fourth Proportional to 362,050.21, 545,243.38 and 329,728.78

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Solution

The fourth proportional to 362,050.21, 545,243.38 and 329,728.78 is: 496,567.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,050.21 : 545,243.38 = 329,728.78 : x
  2. Step 2: Convert to fraction form
    362,050.21/545,243.38 = 329,728.78/x
  3. Step 3: Cross multiply
    362,050.21x = 545,243.38 × 329,728.78
  4. Step 4: Simplify right side
    362,050.21x = 179,782,434,490.48
  5. Step 5: Solve for x
    x = 179,782,434,490.48/362,050.21
  6. Step 6: Final answer
    x = 496,567.68

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.