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Finding the Fourth Proportional to 547,237.43, 820,858.87 and 247,366.92

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Solution

The fourth proportional to 547,237.43, 820,858.87 and 247,366.92 is: 371,051.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,237.43 : 820,858.87 = 247,366.92 : x
  2. Step 2: Convert to fraction form
    547,237.43/820,858.87 = 247,366.92/x
  3. Step 3: Cross multiply
    547,237.43x = 820,858.87 × 247,366.92
  4. Step 4: Simplify right side
    547,237.43x = 203,053,330,735.79
  5. Step 5: Solve for x
    x = 203,053,330,735.79/547,237.43
  6. Step 6: Final answer
    x = 371,051.62

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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.