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Finding the Fourth Proportional to 395,672.23, 546,026.94 and 214,389.07

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Solution

The fourth proportional to 395,672.23, 546,026.94 and 214,389.07 is: 295,856.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,672.23 : 546,026.94 = 214,389.07 : x
  2. Step 2: Convert to fraction form
    395,672.23/546,026.94 = 214,389.07/x
  3. Step 3: Cross multiply
    395,672.23x = 546,026.94 × 214,389.07
  4. Step 4: Simplify right side
    395,672.23x = 117,062,207,127.73
  5. Step 5: Solve for x
    x = 117,062,207,127.73/395,672.23
  6. Step 6: Final answer
    x = 295,856.51

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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.