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Finding the Fourth Proportional to 438,086.48, 604,558.92 and 236,882

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Solution

The fourth proportional to 438,086.48, 604,558.92 and 236,882 is: 326,896.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,086.48 : 604,558.92 = 236,882 : x
  2. Step 2: Convert to fraction form
    438,086.48/604,558.92 = 236,882/x
  3. Step 3: Cross multiply
    438,086.48x = 604,558.92 × 236,882
  4. Step 4: Simplify right side
    438,086.48x = 143,209,126,087.44
  5. Step 5: Solve for x
    x = 143,209,126,087.44/438,086.48
  6. Step 6: Final answer
    x = 326,896.93

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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.