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Finding the Fourth Proportional to 445,161.79, 614,353.41 and 251,502.33

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Solution

The fourth proportional to 445,161.79, 614,353.41 and 251,502.33 is: 347,090.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,161.79 : 614,353.41 = 251,502.33 : x
  2. Step 2: Convert to fraction form
    445,161.79/614,353.41 = 251,502.33/x
  3. Step 3: Cross multiply
    445,161.79x = 614,353.41 × 251,502.33
  4. Step 4: Simplify right side
    445,161.79x = 154,511,316,362.27
  5. Step 5: Solve for x
    x = 154,511,316,362.27/445,161.79
  6. Step 6: Final answer
    x = 347,090.25

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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.