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Finding the Fourth Proportional to 354,546.57, 531,824.48 and 117,889.24

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Solution

The fourth proportional to 354,546.57, 531,824.48 and 117,889.24 is: 176,835.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,546.57 : 531,824.48 = 117,889.24 : x
  2. Step 2: Convert to fraction form
    354,546.57/531,824.48 = 117,889.24/x
  3. Step 3: Cross multiply
    354,546.57x = 531,824.48 × 117,889.24
  4. Step 4: Simplify right side
    354,546.57x = 62,696,383,760.60
  5. Step 5: Solve for x
    x = 62,696,383,760.60/354,546.57
  6. Step 6: Final answer
    x = 176,835.40

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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.