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Finding the Fourth Proportional to 650,747.40, 976,266.90 and 251,352.60

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Solution

The fourth proportional to 650,747.40, 976,266.90 and 251,352.60 is: 377,085.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,747.40 : 976,266.90 = 251,352.60 : x
  2. Step 2: Convert to fraction form
    650,747.40/976,266.90 = 251,352.60/x
  3. Step 3: Cross multiply
    650,747.40x = 976,266.90 × 251,352.60
  4. Step 4: Simplify right side
    650,747.40x = 245,387,223,608.94
  5. Step 5: Solve for x
    x = 245,387,223,608.94/650,747.40
  6. Step 6: Final answer
    x = 377,085.22

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1.5x scale

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.