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Finding the Fourth Proportional to 331,338.40, 497,007.60 and 294,596.80

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Solution

The fourth proportional to 331,338.40, 497,007.60 and 294,596.80 is: 441,895.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,338.40 : 497,007.60 = 294,596.80 : x
  2. Step 2: Convert to fraction form
    331,338.40/497,007.60 = 294,596.80/x
  3. Step 3: Cross multiply
    331,338.40x = 497,007.60 × 294,596.80
  4. Step 4: Simplify right side
    331,338.40x = 146,416,848,535.68
  5. Step 5: Solve for x
    x = 146,416,848,535.68/331,338.40
  6. Step 6: Final answer
    x = 441,895.20

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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.