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Finding the Fourth Proportional to 353,035.88, 529,256.19 and 153,205.73

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Solution

The fourth proportional to 353,035.88, 529,256.19 and 153,205.73 is: 229,679.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,035.88 : 529,256.19 = 153,205.73 : x
  2. Step 2: Convert to fraction form
    353,035.88/529,256.19 = 153,205.73/x
  3. Step 3: Cross multiply
    353,035.88x = 529,256.19 × 153,205.73
  4. Step 4: Simplify right side
    353,035.88x = 81,085,080,945.97
  5. Step 5: Solve for x
    x = 81,085,080,945.97/353,035.88
  6. Step 6: Final answer
    x = 229,679.43

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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.