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Finding the Fourth Proportional to 481,366.40, 721,850.88 and 181,796

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Solution

The fourth proportional to 481,366.40, 721,850.88 and 181,796 is: 272,618.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,366.40 : 721,850.88 = 181,796 : x
  2. Step 2: Convert to fraction form
    481,366.40/721,850.88 = 181,796/x
  3. Step 3: Cross multiply
    481,366.40x = 721,850.88 × 181,796
  4. Step 4: Simplify right side
    481,366.40x = 131,229,602,580.48
  5. Step 5: Solve for x
    x = 131,229,602,580.48/481,366.40
  6. Step 6: Final answer
    x = 272,618.95

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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.