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Finding the Fourth Proportional to 543,556.71, 750,127.03 and 301,843.33

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Solution

The fourth proportional to 543,556.71, 750,127.03 and 301,843.33 is: 416,554.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,556.71 : 750,127.03 = 301,843.33 : x
  2. Step 2: Convert to fraction form
    543,556.71/750,127.03 = 301,843.33/x
  3. Step 3: Cross multiply
    543,556.71x = 750,127.03 × 301,843.33
  4. Step 4: Simplify right side
    543,556.71x = 226,420,838,028.28
  5. Step 5: Solve for x
    x = 226,420,838,028.28/543,556.71
  6. Step 6: Final answer
    x = 416,554.21

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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.