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Finding the Fourth Proportional to 496,780.80, 745,665.60 and 230,601.60

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Solution

The fourth proportional to 496,780.80, 745,665.60 and 230,601.60 is: 346,131.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,780.80 : 745,665.60 = 230,601.60 : x
  2. Step 2: Convert to fraction form
    496,780.80/745,665.60 = 230,601.60/x
  3. Step 3: Cross multiply
    496,780.80x = 745,665.60 × 230,601.60
  4. Step 4: Simplify right side
    496,780.80x = 171,951,680,424.96
  5. Step 5: Solve for x
    x = 171,951,680,424.96/496,780.80
  6. Step 6: Final answer
    x = 346,131.90

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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.