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Finding the Fourth Proportional to 336,628.70, 464,588.76 and 193,388.48

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Solution

The fourth proportional to 336,628.70, 464,588.76 and 193,388.48 is: 266,899.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,628.70 : 464,588.76 = 193,388.48 : x
  2. Step 2: Convert to fraction form
    336,628.70/464,588.76 = 193,388.48/x
  3. Step 3: Cross multiply
    336,628.70x = 464,588.76 × 193,388.48
  4. Step 4: Simplify right side
    336,628.70x = 89,846,114,121.48
  5. Step 5: Solve for x
    x = 89,846,114,121.48/336,628.70
  6. Step 6: Final answer
    x = 266,899.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.