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Finding the Fourth Proportional to 481,969.80, 665,117.22 and 264,183.72

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Solution

The fourth proportional to 481,969.80, 665,117.22 and 264,183.72 is: 364,572.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,969.80 : 665,117.22 = 264,183.72 : x
  2. Step 2: Convert to fraction form
    481,969.80/665,117.22 = 264,183.72/x
  3. Step 3: Cross multiply
    481,969.80x = 665,117.22 × 264,183.72
  4. Step 4: Simplify right side
    481,969.80x = 175,713,141,415.66
  5. Step 5: Solve for x
    x = 175,713,141,415.66/481,969.80
  6. Step 6: Final answer
    x = 364,572.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.