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Finding the Fourth Proportional to 531,722.82, 797,584.23 and 216,105.78

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Solution

The fourth proportional to 531,722.82, 797,584.23 and 216,105.78 is: 324,158.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,722.82 : 797,584.23 = 216,105.78 : x
  2. Step 2: Convert to fraction form
    531,722.82/797,584.23 = 216,105.78/x
  3. Step 3: Cross multiply
    531,722.82x = 797,584.23 × 216,105.78
  4. Step 4: Simplify right side
    531,722.82x = 172,362,562,139.85
  5. Step 5: Solve for x
    x = 172,362,562,139.85/531,722.82
  6. Step 6: Final answer
    x = 324,158.67

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Similar ratio
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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.