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Finding the Fourth Proportional to 438,093.48, 604,568.58 and 236,889

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Solution

The fourth proportional to 438,093.48, 604,568.58 and 236,889 is: 326,906.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,093.48 : 604,568.58 = 236,889 : x
  2. Step 2: Convert to fraction form
    438,093.48/604,568.58 = 236,889/x
  3. Step 3: Cross multiply
    438,093.48x = 604,568.58 × 236,889
  4. Step 4: Simplify right side
    438,093.48x = 143,215,646,347.62
  5. Step 5: Solve for x
    x = 143,215,646,347.62/438,093.48
  6. Step 6: Final answer
    x = 326,906.59

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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.