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Finding the Fourth Proportional to 322,335.23, 482,838.37 and 188,810.67

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Solution

The fourth proportional to 322,335.23, 482,838.37 and 188,810.67 is: 282,826.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,335.23 : 482,838.37 = 188,810.67 : x
  2. Step 2: Convert to fraction form
    322,335.23/482,838.37 = 188,810.67/x
  3. Step 3: Cross multiply
    322,335.23x = 482,838.37 × 188,810.67
  4. Step 4: Simplify right side
    322,335.23x = 91,165,037,480.03
  5. Step 5: Solve for x
    x = 91,165,037,480.03/322,335.23
  6. Step 6: Final answer
    x = 282,826.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.