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Finding the Fourth Proportional to 603,214.22, 832,441.32 and 331,287.74

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Solution

The fourth proportional to 603,214.22, 832,441.32 and 331,287.74 is: 457,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,214.22 : 832,441.32 = 331,287.74 : x
  2. Step 2: Convert to fraction form
    603,214.22/832,441.32 = 331,287.74/x
  3. Step 3: Cross multiply
    603,214.22x = 832,441.32 × 331,287.74
  4. Step 4: Simplify right side
    603,214.22x = 275,777,603,585.42
  5. Step 5: Solve for x
    x = 275,777,603,585.42/603,214.22
  6. Step 6: Final answer
    x = 457,180.21

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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.