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Finding the Fourth Proportional to 603,374.67, 832,662.32 and 331,448.09

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Solution

The fourth proportional to 603,374.67, 832,662.32 and 331,448.09 is: 457,401.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,374.67 : 832,662.32 = 331,448.09 : x
  2. Step 2: Convert to fraction form
    603,374.67/832,662.32 = 331,448.09/x
  3. Step 3: Cross multiply
    603,374.67x = 832,662.32 × 331,448.09
  4. Step 4: Simplify right side
    603,374.67x = 275,984,329,758.42
  5. Step 5: Solve for x
    x = 275,984,329,758.42/603,374.67
  6. Step 6: Final answer
    x = 457,401.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.