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Finding the Fourth Proportional to 352,003.70, 527,811.15 and 141,403.70

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Solution

The fourth proportional to 352,003.70, 527,811.15 and 141,403.70 is: 212,027.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,003.70 : 527,811.15 = 141,403.70 : x
  2. Step 2: Convert to fraction form
    352,003.70/527,811.15 = 141,403.70/x
  3. Step 3: Cross multiply
    352,003.70x = 527,811.15 × 141,403.70
  4. Step 4: Simplify right side
    352,003.70x = 74,634,449,511.26
  5. Step 5: Solve for x
    x = 74,634,449,511.26/352,003.70
  6. Step 6: Final answer
    x = 212,027.46

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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.