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Finding the Fourth Proportional to 529,592.64, 730,832.16 and 394,231.92

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Solution

The fourth proportional to 529,592.64, 730,832.16 and 394,231.92 is: 544,035.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,592.64 : 730,832.16 = 394,231.92 : x
  2. Step 2: Convert to fraction form
    529,592.64/730,832.16 = 394,231.92/x
  3. Step 3: Cross multiply
    529,592.64x = 730,832.16 × 394,231.92
  4. Step 4: Simplify right side
    529,592.64x = 288,117,365,634.55
  5. Step 5: Solve for x
    x = 288,117,365,634.55/529,592.64
  6. Step 6: Final answer
    x = 544,035.82

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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.