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Finding the Fourth Proportional to 529,663.20, 794,397.60 and 329,625.60

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Solution

The fourth proportional to 529,663.20, 794,397.60 and 329,625.60 is: 494,377.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,663.20 : 794,397.60 = 329,625.60 : x
  2. Step 2: Convert to fraction form
    529,663.20/794,397.60 = 329,625.60/x
  3. Step 3: Cross multiply
    529,663.20x = 794,397.60 × 329,625.60
  4. Step 4: Simplify right side
    529,663.20x = 261,853,785,538.56
  5. Step 5: Solve for x
    x = 261,853,785,538.56/529,663.20
  6. Step 6: Final answer
    x = 494,377.91

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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.