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Finding the Fourth Proportional to 551,906.36, 761,495.82 and 336,968.12

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Solution

The fourth proportional to 551,906.36, 761,495.82 and 336,968.12 is: 464,933.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,906.36 : 761,495.82 = 336,968.12 : x
  2. Step 2: Convert to fraction form
    551,906.36/761,495.82 = 336,968.12/x
  3. Step 3: Cross multiply
    551,906.36x = 761,495.82 × 336,968.12
  4. Step 4: Simplify right side
    551,906.36x = 256,599,814,853.26
  5. Step 5: Solve for x
    x = 256,599,814,853.26/551,906.36
  6. Step 6: Final answer
    x = 464,933.61

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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.