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Finding the Fourth Proportional to 364,512.40, 546,768.60 and 356,736.40

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Solution

The fourth proportional to 364,512.40, 546,768.60 and 356,736.40 is: 535,104.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,512.40 : 546,768.60 = 356,736.40 : x
  2. Step 2: Convert to fraction form
    364,512.40/546,768.60 = 356,736.40/x
  3. Step 3: Cross multiply
    364,512.40x = 546,768.60 × 356,736.40
  4. Step 4: Simplify right side
    364,512.40x = 195,052,261,997.04
  5. Step 5: Solve for x
    x = 195,052,261,997.04/364,512.40
  6. Step 6: Final answer
    x = 535,104.60

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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.