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Finding the Fourth Proportional to 503,453.50, 755,205.14 and 143,677.38

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Solution

The fourth proportional to 503,453.50, 755,205.14 and 143,677.38 is: 215,523.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,453.50 : 755,205.14 = 143,677.38 : x
  2. Step 2: Convert to fraction form
    503,453.50/755,205.14 = 143,677.38/x
  3. Step 3: Cross multiply
    503,453.50x = 755,205.14 × 143,677.38
  4. Step 4: Simplify right side
    503,453.50x = 108,505,895,877.73
  5. Step 5: Solve for x
    x = 108,505,895,877.73/503,453.50
  6. Step 6: Final answer
    x = 215,523.17

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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.