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Finding the Fourth Proportional to 603,891.98, 833,381.30 and 331,971.34

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Solution

The fourth proportional to 603,891.98, 833,381.30 and 331,971.34 is: 458,126.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,891.98 : 833,381.30 = 331,971.34 : x
  2. Step 2: Convert to fraction form
    603,891.98/833,381.30 = 331,971.34/x
  3. Step 3: Cross multiply
    603,891.98x = 833,381.30 × 331,971.34
  4. Step 4: Simplify right side
    603,891.98x = 276,658,701,065.18
  5. Step 5: Solve for x
    x = 276,658,701,065.18/603,891.98
  6. Step 6: Final answer
    x = 458,126.14

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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.