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Finding the Fourth Proportional to 548,715.80, 823,073.70 and 548,715.80

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Solution

The fourth proportional to 548,715.80, 823,073.70 and 548,715.80 is: 823,073.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,715.80 : 823,073.70 = 548,715.80 : x
  2. Step 2: Convert to fraction form
    548,715.80/823,073.70 = 548,715.80/x
  3. Step 3: Cross multiply
    548,715.80x = 823,073.70 × 548,715.80
  4. Step 4: Simplify right side
    548,715.80x = 451,633,543,754.46
  5. Step 5: Solve for x
    x = 451,633,543,754.46/548,715.80
  6. Step 6: Final answer
    x = 823,073.70

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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.