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Finding the Fourth Proportional to 340,528.88, 469,944.44 and 189,625.88

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Solution

The fourth proportional to 340,528.88, 469,944.44 and 189,625.88 is: 261,691.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,528.88 : 469,944.44 = 189,625.88 : x
  2. Step 2: Convert to fraction form
    340,528.88/469,944.44 = 189,625.88/x
  3. Step 3: Cross multiply
    340,528.88x = 469,944.44 × 189,625.88
  4. Step 4: Simplify right side
    340,528.88x = 89,113,624,688.26
  5. Step 5: Solve for x
    x = 89,113,624,688.26/340,528.88
  6. Step 6: Final answer
    x = 261,691.83

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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.