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Finding the Fourth Proportional to 650,975.40, 976,608.90 and 251,580.60

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Solution

The fourth proportional to 650,975.40, 976,608.90 and 251,580.60 is: 377,427.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,975.40 : 976,608.90 = 251,580.60 : x
  2. Step 2: Convert to fraction form
    650,975.40/976,608.90 = 251,580.60/x
  3. Step 3: Cross multiply
    650,975.40x = 976,608.90 × 251,580.60
  4. Step 4: Simplify right side
    650,975.40x = 245,695,853,027.34
  5. Step 5: Solve for x
    x = 245,695,853,027.34/650,975.40
  6. Step 6: Final answer
    x = 377,427.25

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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.