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Finding the Fourth Proportional to 603,907.17, 833,394.59 and 331,992.55

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Solution

The fourth proportional to 603,907.17, 833,394.59 and 331,992.55 is: 458,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,907.17 : 833,394.59 = 331,992.55 : x
  2. Step 2: Convert to fraction form
    603,907.17/833,394.59 = 331,992.55/x
  3. Step 3: Cross multiply
    603,907.17x = 833,394.59 × 331,992.55
  4. Step 4: Simplify right side
    603,907.17x = 276,680,795,090.31
  5. Step 5: Solve for x
    x = 276,680,795,090.31/603,907.17
  6. Step 6: Final answer
    x = 458,151.20

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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.