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Finding the Fourth Proportional to 547,209.46, 820,458.91 and 227,273.54

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Solution

The fourth proportional to 547,209.46, 820,458.91 and 227,273.54 is: 340,762.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,209.46 : 820,458.91 = 227,273.54 : x
  2. Step 2: Convert to fraction form
    547,209.46/820,458.91 = 227,273.54/x
  3. Step 3: Cross multiply
    547,209.46x = 820,458.91 × 227,273.54
  4. Step 4: Simplify right side
    547,209.46x = 186,468,600,900.24
  5. Step 5: Solve for x
    x = 186,468,600,900.24/547,209.46
  6. Step 6: Final answer
    x = 340,762.75

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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.