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Finding the Fourth Proportional to 603,891.23, 833,380.26 and 331,970.59

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Solution

The fourth proportional to 603,891.23, 833,380.26 and 331,970.59 is: 458,125.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,891.23 : 833,380.26 = 331,970.59 : x
  2. Step 2: Convert to fraction form
    603,891.23/833,380.26 = 331,970.59/x
  3. Step 3: Cross multiply
    603,891.23x = 833,380.26 × 331,970.59
  4. Step 4: Simplify right side
    603,891.23x = 276,657,736,606.55
  5. Step 5: Solve for x
    x = 276,657,736,606.55/603,891.23
  6. Step 6: Final answer
    x = 458,125.11

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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.