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Finding the Fourth Proportional to 650,764.70, 976,057.05 and 201,794.30

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Solution

The fourth proportional to 650,764.70, 976,057.05 and 201,794.30 is: 302,663.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,764.70 : 976,057.05 = 201,794.30 : x
  2. Step 2: Convert to fraction form
    650,764.70/976,057.05 = 201,794.30/x
  3. Step 3: Cross multiply
    650,764.70x = 976,057.05 × 201,794.30
  4. Step 4: Simplify right side
    650,764.70x = 196,962,749,164.82
  5. Step 5: Solve for x
    x = 196,962,749,164.82/650,764.70
  6. Step 6: Final answer
    x = 302,663.54

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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.