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Finding the Fourth Proportional to 609,668.78, 841,342.77 and 337,754.33

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Solution

The fourth proportional to 609,668.78, 841,342.77 and 337,754.33 is: 466,100.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,668.78 : 841,342.77 = 337,754.33 : x
  2. Step 2: Convert to fraction form
    609,668.78/841,342.77 = 337,754.33/x
  3. Step 3: Cross multiply
    609,668.78x = 841,342.77 × 337,754.33
  4. Step 4: Simplify right side
    609,668.78x = 284,167,163,581.69
  5. Step 5: Solve for x
    x = 284,167,163,581.69/609,668.78
  6. Step 6: Final answer
    x = 466,100.89

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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.