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Finding the Fourth Proportional to 613,204.79, 919,807.43 and 275,851.37

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Solution

The fourth proportional to 613,204.79, 919,807.43 and 275,851.37 is: 413,777.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,204.79 : 919,807.43 = 275,851.37 : x
  2. Step 2: Convert to fraction form
    613,204.79/919,807.43 = 275,851.37/x
  3. Step 3: Cross multiply
    613,204.79x = 919,807.43 × 275,851.37
  4. Step 4: Simplify right side
    613,204.79x = 253,730,140,621.94
  5. Step 5: Solve for x
    x = 253,730,140,621.94/613,204.79
  6. Step 6: Final answer
    x = 413,777.17

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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.