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Finding the Fourth Proportional to 283,571.00, 391,355.55 and 211,826.46

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Solution

The fourth proportional to 283,571.00, 391,355.55 and 211,826.46 is: 292,341.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,571.00 : 391,355.55 = 211,826.46 : x
  2. Step 2: Convert to fraction form
    283,571.00/391,355.55 = 211,826.46/x
  3. Step 3: Cross multiply
    283,571.00x = 391,355.55 × 211,826.46
  4. Step 4: Simplify right side
    283,571.00x = 82,899,463,019.79
  5. Step 5: Solve for x
    x = 82,899,463,019.79/283,571.00
  6. Step 6: Final answer
    x = 292,341.12

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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.