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Finding the Fourth Proportional to 313,914.76, 433,200.26 and 170,674.76

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Solution

The fourth proportional to 313,914.76, 433,200.26 and 170,674.76 is: 235,530.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,914.76 : 433,200.26 = 170,674.76 : x
  2. Step 2: Convert to fraction form
    313,914.76/433,200.26 = 170,674.76/x
  3. Step 3: Cross multiply
    313,914.76x = 433,200.26 × 170,674.76
  4. Step 4: Simplify right side
    313,914.76x = 73,936,350,407.44
  5. Step 5: Solve for x
    x = 73,936,350,407.44/313,914.76
  6. Step 6: Final answer
    x = 235,530.02

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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.