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Finding the Fourth Proportional to 332,294.72, 458,496.64 and 211,392

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Solution

The fourth proportional to 332,294.72, 458,496.64 and 211,392 is: 291,676.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,294.72 : 458,496.64 = 211,392 : x
  2. Step 2: Convert to fraction form
    332,294.72/458,496.64 = 211,392/x
  3. Step 3: Cross multiply
    332,294.72x = 458,496.64 × 211,392
  4. Step 4: Simplify right side
    332,294.72x = 96,922,521,722.88
  5. Step 5: Solve for x
    x = 96,922,521,722.88/332,294.72
  6. Step 6: Final answer
    x = 291,676.38

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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.