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Finding the Fourth Proportional to 313,201.37, 432,217.88 and 169,961.41

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Solution

The fourth proportional to 313,201.37, 432,217.88 and 169,961.41 is: 234,546.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,201.37 : 432,217.88 = 169,961.41 : x
  2. Step 2: Convert to fraction form
    313,201.37/432,217.88 = 169,961.41/x
  3. Step 3: Cross multiply
    313,201.37x = 432,217.88 × 169,961.41
  4. Step 4: Simplify right side
    313,201.37x = 73,460,359,656.37
  5. Step 5: Solve for x
    x = 73,460,359,656.37/313,201.37
  6. Step 6: Final answer
    x = 234,546.74

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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.