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Finding the Fourth Proportional to 314,087.49, 433,517.72 and 178,200.99

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Solution

The fourth proportional to 314,087.49, 433,517.72 and 178,200.99 is: 245,961.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,087.49 : 433,517.72 = 178,200.99 : x
  2. Step 2: Convert to fraction form
    314,087.49/433,517.72 = 178,200.99/x
  3. Step 3: Cross multiply
    314,087.49x = 433,517.72 × 178,200.99
  4. Step 4: Simplify right side
    314,087.49x = 77,253,285,995.54
  5. Step 5: Solve for x
    x = 77,253,285,995.54/314,087.49
  6. Step 6: Final answer
    x = 245,961.04

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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.