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Finding the Fourth Proportional to 650,578.22, 976,200.88 and 313,905.97

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Solution

The fourth proportional to 650,578.22, 976,200.88 and 313,905.97 is: 471,019.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,578.22 : 976,200.88 = 313,905.97 : x
  2. Step 2: Convert to fraction form
    650,578.22/976,200.88 = 313,905.97/x
  3. Step 3: Cross multiply
    650,578.22x = 976,200.88 × 313,905.97
  4. Step 4: Simplify right side
    650,578.22x = 306,435,284,151.25
  5. Step 5: Solve for x
    x = 306,435,284,151.25/650,578.22
  6. Step 6: Final answer
    x = 471,019.89

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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.