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Finding the Fourth Proportional to 524,944.20, 787,221.90 and 169,969.80

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Solution

The fourth proportional to 524,944.20, 787,221.90 and 169,969.80 is: 254,891.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,944.20 : 787,221.90 = 169,969.80 : x
  2. Step 2: Convert to fraction form
    524,944.20/787,221.90 = 169,969.80/x
  3. Step 3: Cross multiply
    524,944.20x = 787,221.90 × 169,969.80
  4. Step 4: Simplify right side
    524,944.20x = 133,803,948,898.62
  5. Step 5: Solve for x
    x = 133,803,948,898.62/524,944.20
  6. Step 6: Final answer
    x = 254,891.76

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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.