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Finding the Fourth Proportional to 603,302.22, 832,563.90 and 331,376.49

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Solution

The fourth proportional to 603,302.22, 832,563.90 and 331,376.49 is: 457,303.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,302.22 : 832,563.90 = 331,376.49 : x
  2. Step 2: Convert to fraction form
    603,302.22/832,563.90 = 331,376.49/x
  3. Step 3: Cross multiply
    603,302.22x = 832,563.90 × 331,376.49
  4. Step 4: Simplify right side
    603,302.22x = 275,892,102,882.71
  5. Step 5: Solve for x
    x = 275,892,102,882.71/603,302.22
  6. Step 6: Final answer
    x = 457,303.31

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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.