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Finding the Fourth Proportional to 481,641.40, 722,243.40 and 182,022.40

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Solution

The fourth proportional to 481,641.40, 722,243.40 and 182,022.40 is: 272,950.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,641.40 : 722,243.40 = 182,022.40 : x
  2. Step 2: Convert to fraction form
    481,641.40/722,243.40 = 182,022.40/x
  3. Step 3: Cross multiply
    481,641.40x = 722,243.40 × 182,022.40
  4. Step 4: Simplify right side
    481,641.40x = 131,464,477,052.16
  5. Step 5: Solve for x
    x = 131,464,477,052.16/481,641.40
  6. Step 6: Final answer
    x = 272,950.95

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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.