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Finding the Fourth Proportional to 461,008.98, 635,955.18 and 307,998.24

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Solution

The fourth proportional to 461,008.98, 635,955.18 and 307,998.24 is: 424,879.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,008.98 : 635,955.18 = 307,998.24 : x
  2. Step 2: Convert to fraction form
    461,008.98/635,955.18 = 307,998.24/x
  3. Step 3: Cross multiply
    461,008.98x = 635,955.18 × 307,998.24
  4. Step 4: Simplify right side
    461,008.98x = 195,873,076,158.88
  5. Step 5: Solve for x
    x = 195,873,076,158.88/461,008.98
  6. Step 6: Final answer
    x = 424,879.09

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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.