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Finding the Fourth Proportional to 543,227.08, 815,640.51 and 303,810.06

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Solution

The fourth proportional to 543,227.08, 815,640.51 and 303,810.06 is: 456,162.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,227.08 : 815,640.51 = 303,810.06 : x
  2. Step 2: Convert to fraction form
    543,227.08/815,640.51 = 303,810.06/x
  3. Step 3: Cross multiply
    543,227.08x = 815,640.51 × 303,810.06
  4. Step 4: Simplify right side
    543,227.08x = 247,799,788,083.59
  5. Step 5: Solve for x
    x = 247,799,788,083.59/543,227.08
  6. Step 6: Final answer
    x = 456,162.44

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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.