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Finding the Fourth Proportional to 650,905.88, 976,408.02 and 201,672.08

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Solution

The fourth proportional to 650,905.88, 976,408.02 and 201,672.08 is: 302,523.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,905.88 : 976,408.02 = 201,672.08 : x
  2. Step 2: Convert to fraction form
    650,905.88/976,408.02 = 201,672.08/x
  3. Step 3: Cross multiply
    650,905.88x = 976,408.02 × 201,672.08
  4. Step 4: Simplify right side
    650,905.88x = 196,914,235,101.57
  5. Step 5: Solve for x
    x = 196,914,235,101.57/650,905.88
  6. Step 6: Final answer
    x = 302,523.36

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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.