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Finding the Fourth Proportional to 353,255.80, 529,883.70 and 329,927.80

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Solution

The fourth proportional to 353,255.80, 529,883.70 and 329,927.80 is: 494,891.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,255.80 : 529,883.70 = 329,927.80 : x
  2. Step 2: Convert to fraction form
    353,255.80/529,883.70 = 329,927.80/x
  3. Step 3: Cross multiply
    353,255.80x = 529,883.70 × 329,927.80
  4. Step 4: Simplify right side
    353,255.80x = 174,823,363,396.86
  5. Step 5: Solve for x
    x = 174,823,363,396.86/353,255.80
  6. Step 6: Final answer
    x = 494,891.70

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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.