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Finding the Fourth Proportional to 543,369.06, 749,851.93 and 339,538.37

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Solution

The fourth proportional to 543,369.06, 749,851.93 and 339,538.37 is: 468,564.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,369.06 : 749,851.93 = 339,538.37 : x
  2. Step 2: Convert to fraction form
    543,369.06/749,851.93 = 339,538.37/x
  3. Step 3: Cross multiply
    543,369.06x = 749,851.93 × 339,538.37
  4. Step 4: Simplify right side
    543,369.06x = 254,603,498,728.72
  5. Step 5: Solve for x
    x = 254,603,498,728.72/543,369.06
  6. Step 6: Final answer
    x = 468,564.59

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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.