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Finding the Fourth Proportional to 302,512.70, 453,750.68 and 133,983.56

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Solution

The fourth proportional to 302,512.70, 453,750.68 and 133,983.56 is: 200,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,512.70 : 453,750.68 = 133,983.56 : x
  2. Step 2: Convert to fraction form
    302,512.70/453,750.68 = 133,983.56/x
  3. Step 3: Cross multiply
    302,512.70x = 453,750.68 × 133,983.56
  4. Step 4: Simplify right side
    302,512.70x = 60,795,131,458.82
  5. Step 5: Solve for x
    x = 60,795,131,458.82/302,512.70
  6. Step 6: Final answer
    x = 200,967.20

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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.