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Finding the Fourth Proportional to 242,420.31, 363,134.73 and 197,601.39

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Solution

The fourth proportional to 242,420.31, 363,134.73 and 197,601.39 is: 295,998.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,420.31 : 363,134.73 = 197,601.39 : x
  2. Step 2: Convert to fraction form
    242,420.31/363,134.73 = 197,601.39/x
  3. Step 3: Cross multiply
    242,420.31x = 363,134.73 × 197,601.39
  4. Step 4: Simplify right side
    242,420.31x = 71,755,927,405.27
  5. Step 5: Solve for x
    x = 71,755,927,405.27/242,420.31
  6. Step 6: Final answer
    x = 295,998.00

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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.