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Finding the Fourth Proportional to 650,757.27, 976,415.21 and 251,678.07

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Solution

The fourth proportional to 650,757.27, 976,415.21 and 251,678.07 is: 377,625.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,757.27 : 976,415.21 = 251,678.07 : x
  2. Step 2: Convert to fraction form
    650,757.27/976,415.21 = 251,678.07/x
  3. Step 3: Cross multiply
    650,757.27x = 976,415.21 × 251,678.07
  4. Step 4: Simplify right side
    650,757.27x = 245,742,295,571.45
  5. Step 5: Solve for x
    x = 245,742,295,571.45/650,757.27
  6. Step 6: Final answer
    x = 377,625.13

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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.