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Finding the Fourth Proportional to 303,488.23, 418,813.70 and 167,522.15

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Solution

The fourth proportional to 303,488.23, 418,813.70 and 167,522.15 is: 231,180.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,488.23 : 418,813.70 = 167,522.15 : x
  2. Step 2: Convert to fraction form
    303,488.23/418,813.70 = 167,522.15/x
  3. Step 3: Cross multiply
    303,488.23x = 418,813.70 × 167,522.15
  4. Step 4: Simplify right side
    303,488.23x = 70,160,568,751.18
  5. Step 5: Solve for x
    x = 70,160,568,751.18/303,488.23
  6. Step 6: Final answer
    x = 231,180.52

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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.