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Finding the Fourth Proportional to 326,506.36, 450,563.61 and 181,321.36

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Solution

The fourth proportional to 326,506.36, 450,563.61 and 181,321.36 is: 250,215.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,506.36 : 450,563.61 = 181,321.36 : x
  2. Step 2: Convert to fraction form
    326,506.36/450,563.61 = 181,321.36/x
  3. Step 3: Cross multiply
    326,506.36x = 450,563.61 × 181,321.36
  4. Step 4: Simplify right side
    326,506.36x = 81,696,806,531.71
  5. Step 5: Solve for x
    x = 81,696,806,531.71/326,506.36
  6. Step 6: Final answer
    x = 250,215.05

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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.