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Finding the Fourth Proportional to 546,781.52, 754,556.16 and 305,064.26

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Solution

The fourth proportional to 546,781.52, 754,556.16 and 305,064.26 is: 420,987.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,781.52 : 754,556.16 = 305,064.26 : x
  2. Step 2: Convert to fraction form
    546,781.52/754,556.16 = 305,064.26/x
  3. Step 3: Cross multiply
    546,781.52x = 754,556.16 × 305,064.26
  4. Step 4: Simplify right side
    546,781.52x = 230,188,116,578.84
  5. Step 5: Solve for x
    x = 230,188,116,578.84/546,781.52
  6. Step 6: Final answer
    x = 420,987.37

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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.