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Finding the Fourth Proportional to 333,046.11, 459,611.51 and 189,819.48

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Solution

The fourth proportional to 333,046.11, 459,611.51 and 189,819.48 is: 261,955.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,046.11 : 459,611.51 = 189,819.48 : x
  2. Step 2: Convert to fraction form
    333,046.11/459,611.51 = 189,819.48/x
  3. Step 3: Cross multiply
    333,046.11x = 459,611.51 × 189,819.48
  4. Step 4: Simplify right side
    333,046.11x = 87,243,216,881.12
  5. Step 5: Solve for x
    x = 87,243,216,881.12/333,046.11
  6. Step 6: Final answer
    x = 261,955.37

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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.