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Finding the Fourth Proportional to 648,493.57, 894,906.25 and 362,040.31

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Solution

The fourth proportional to 648,493.57, 894,906.25 and 362,040.31 is: 499,607.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,493.57 : 894,906.25 = 362,040.31 : x
  2. Step 2: Convert to fraction form
    648,493.57/894,906.25 = 362,040.31/x
  3. Step 3: Cross multiply
    648,493.57x = 894,906.25 × 362,040.31
  4. Step 4: Simplify right side
    648,493.57x = 323,992,136,170.94
  5. Step 5: Solve for x
    x = 323,992,136,170.94/648,493.57
  6. Step 6: Final answer
    x = 499,607.32

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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.