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Finding the Fourth Proportional to 529,102.73, 730,151.82 and 299,656.67

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Solution

The fourth proportional to 529,102.73, 730,151.82 and 299,656.67 is: 413,520.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,102.73 : 730,151.82 = 299,656.67 : x
  2. Step 2: Convert to fraction form
    529,102.73/730,151.82 = 299,656.67/x
  3. Step 3: Cross multiply
    529,102.73x = 730,151.82 × 299,656.67
  4. Step 4: Simplify right side
    529,102.73x = 218,794,859,324.88
  5. Step 5: Solve for x
    x = 218,794,859,324.88/529,102.73
  6. Step 6: Final answer
    x = 413,520.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.