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Finding the Fourth Proportional to 283,571.01, 391,355.58 and 211,826.48

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Solution

The fourth proportional to 283,571.01, 391,355.58 and 211,826.48 is: 292,341.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,571.01 : 391,355.58 = 211,826.48 : x
  2. Step 2: Convert to fraction form
    283,571.01/391,355.58 = 211,826.48/x
  3. Step 3: Cross multiply
    283,571.01x = 391,355.58 × 211,826.48
  4. Step 4: Simplify right side
    283,571.01x = 82,899,472,902.24
  5. Step 5: Solve for x
    x = 82,899,472,902.24/283,571.01
  6. Step 6: Final answer
    x = 292,341.14

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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.