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Finding the Fourth Proportional to 331,362.60, 496,655.10 and 141,822.60

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Solution

The fourth proportional to 331,362.60, 496,655.10 and 141,822.60 is: 212,567.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,362.60 : 496,655.10 = 141,822.60 : x
  2. Step 2: Convert to fraction form
    331,362.60/496,655.10 = 141,822.60/x
  3. Step 3: Cross multiply
    331,362.60x = 496,655.10 × 141,822.60
  4. Step 4: Simplify right side
    331,362.60x = 70,436,917,585.26
  5. Step 5: Solve for x
    x = 70,436,917,585.26/331,362.60
  6. Step 6: Final answer
    x = 212,567.49

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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.