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Finding the Fourth Proportional to 422,933.42, 634,437.42 and 119,330.24

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Solution

The fourth proportional to 422,933.42, 634,437.42 and 119,330.24 is: 179,005.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,933.42 : 634,437.42 = 119,330.24 : x
  2. Step 2: Convert to fraction form
    422,933.42/634,437.42 = 119,330.24/x
  3. Step 3: Cross multiply
    422,933.42x = 634,437.42 × 119,330.24
  4. Step 4: Simplify right side
    422,933.42x = 75,707,566,421.39
  5. Step 5: Solve for x
    x = 75,707,566,421.39/422,933.42
  6. Step 6: Final answer
    x = 179,005.88

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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.