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Finding the Fourth Proportional to 603,892.55, 833,382.08 and 331,971.91

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Solution

The fourth proportional to 603,892.55, 833,382.08 and 331,971.91 is: 458,126.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,892.55 : 833,382.08 = 331,971.91 : x
  2. Step 2: Convert to fraction form
    603,892.55/833,382.08 = 331,971.91/x
  3. Step 3: Cross multiply
    603,892.55x = 833,382.08 × 331,971.91
  4. Step 4: Simplify right side
    603,892.55x = 276,659,440,857.37
  5. Step 5: Solve for x
    x = 276,659,440,857.37/603,892.55
  6. Step 6: Final answer
    x = 458,126.93

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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.