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Finding the Fourth Proportional to 309,555.26, 464,182.90 and 181,506.56

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Solution

The fourth proportional to 309,555.26, 464,182.90 and 181,506.56 is: 272,171.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,555.26 : 464,182.90 = 181,506.56 : x
  2. Step 2: Convert to fraction form
    309,555.26/464,182.90 = 181,506.56/x
  3. Step 3: Cross multiply
    309,555.26x = 464,182.90 × 181,506.56
  4. Step 4: Simplify right side
    309,555.26x = 84,252,241,594.39
  5. Step 5: Solve for x
    x = 84,252,241,594.39/309,555.26
  6. Step 6: Final answer
    x = 272,171.90

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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.