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Finding the Fourth Proportional to 547,236.68, 820,857.75 and 247,366.17

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Solution

The fourth proportional to 547,236.68, 820,857.75 and 247,366.17 is: 371,050.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,236.68 : 820,857.75 = 247,366.17 : x
  2. Step 2: Convert to fraction form
    547,236.68/820,857.75 = 247,366.17/x
  3. Step 3: Cross multiply
    547,236.68x = 820,857.75 × 247,366.17
  4. Step 4: Simplify right side
    547,236.68x = 203,052,436,804.69
  5. Step 5: Solve for x
    x = 203,052,436,804.69/547,236.68
  6. Step 6: Final answer
    x = 371,050.49

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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.