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Finding the Fourth Proportional to 453,505.80, 680,517.90 and 173,224.20

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Solution

The fourth proportional to 453,505.80, 680,517.90 and 173,224.20 is: 259,935.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,505.80 : 680,517.90 = 173,224.20 : x
  2. Step 2: Convert to fraction form
    453,505.80/680,517.90 = 173,224.20/x
  3. Step 3: Cross multiply
    453,505.80x = 680,517.90 × 173,224.20
  4. Step 4: Simplify right side
    453,505.80x = 117,882,168,813.18
  5. Step 5: Solve for x
    x = 117,882,168,813.18/453,505.80
  6. Step 6: Final answer
    x = 259,935.31

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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.