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Finding the Fourth Proportional to 313,793.16, 433,037.46 and 170,553.54

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Solution

The fourth proportional to 313,793.16, 433,037.46 and 170,553.54 is: 235,365.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,793.16 : 433,037.46 = 170,553.54 : x
  2. Step 2: Convert to fraction form
    313,793.16/433,037.46 = 170,553.54/x
  3. Step 3: Cross multiply
    313,793.16x = 433,037.46 × 170,553.54
  4. Step 4: Simplify right side
    313,793.16x = 73,856,071,755.61
  5. Step 5: Solve for x
    x = 73,856,071,755.61/313,793.16
  6. Step 6: Final answer
    x = 235,365.46

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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.