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Finding the Fourth Proportional to 541,310.80, 810,799.80 and 447,998.80

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Solution

The fourth proportional to 541,310.80, 810,799.80 and 447,998.80 is: 671,032.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,310.80 : 810,799.80 = 447,998.80 : x
  2. Step 2: Convert to fraction form
    541,310.80/810,799.80 = 447,998.80/x
  3. Step 3: Cross multiply
    541,310.80x = 810,799.80 × 447,998.80
  4. Step 4: Simplify right side
    541,310.80x = 363,237,337,440.24
  5. Step 5: Solve for x
    x = 363,237,337,440.24/541,310.80
  6. Step 6: Final answer
    x = 671,032.87

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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.