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Finding the Fourth Proportional to 533,556.88, 800,336.68 and 218,013.77

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Solution

The fourth proportional to 533,556.88, 800,336.68 and 218,013.77 is: 327,021.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,556.88 : 800,336.68 = 218,013.77 : x
  2. Step 2: Convert to fraction form
    533,556.88/800,336.68 = 218,013.77/x
  3. Step 3: Cross multiply
    533,556.88x = 800,336.68 × 218,013.77
  4. Step 4: Simplify right side
    533,556.88x = 174,484,418,331.89
  5. Step 5: Solve for x
    x = 174,484,418,331.89/533,556.88
  6. Step 6: Final answer
    x = 327,021.21

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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.