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Finding the Fourth Proportional to 529,035.64, 730,185.44 and 347,764.32

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Solution

The fourth proportional to 529,035.64, 730,185.44 and 347,764.32 is: 479,991.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,035.64 : 730,185.44 = 347,764.32 : x
  2. Step 2: Convert to fraction form
    529,035.64/730,185.44 = 347,764.32/x
  3. Step 3: Cross multiply
    529,035.64x = 730,185.44 × 347,764.32
  4. Step 4: Simplify right side
    529,035.64x = 253,932,441,276.68
  5. Step 5: Solve for x
    x = 253,932,441,276.68/529,035.64
  6. Step 6: Final answer
    x = 479,991.18

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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.