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Finding the Fourth Proportional to 609,714.88, 841,126.92 and 394,924

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Solution

The fourth proportional to 609,714.88, 841,126.92 and 394,924 is: 544,814.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,714.88 : 841,126.92 = 394,924 : x
  2. Step 2: Convert to fraction form
    609,714.88/841,126.92 = 394,924/x
  3. Step 3: Cross multiply
    609,714.88x = 841,126.92 × 394,924
  4. Step 4: Simplify right side
    609,714.88x = 332,181,207,754.08
  5. Step 5: Solve for x
    x = 332,181,207,754.08/609,714.88
  6. Step 6: Final answer
    x = 544,814.01

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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.