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Finding the Fourth Proportional to 466,852.80, 699,472.80 and 217,022.40

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Solution

The fourth proportional to 466,852.80, 699,472.80 and 217,022.40 is: 325,158.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,852.80 : 699,472.80 = 217,022.40 : x
  2. Step 2: Convert to fraction form
    466,852.80/699,472.80 = 217,022.40/x
  3. Step 3: Cross multiply
    466,852.80x = 699,472.80 × 217,022.40
  4. Step 4: Simplify right side
    466,852.80x = 151,801,265,790.72
  5. Step 5: Solve for x
    x = 151,801,265,790.72/466,852.80
  6. Step 6: Final answer
    x = 325,158.73

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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.