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Finding the Fourth Proportional to 603,367.61, 832,652.66 and 331,441.03

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Solution

The fourth proportional to 603,367.61, 832,652.66 and 331,441.03 is: 457,391.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,367.61 : 832,652.66 = 331,441.03 : x
  2. Step 2: Convert to fraction form
    603,367.61/832,652.66 = 331,441.03/x
  3. Step 3: Cross multiply
    603,367.61x = 832,652.66 × 331,441.03
  4. Step 4: Simplify right side
    603,367.61x = 275,975,255,262.64
  5. Step 5: Solve for x
    x = 275,975,255,262.64/603,367.61
  6. Step 6: Final answer
    x = 457,391.56

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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.