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Finding the Fourth Proportional to 333,012.60, 459,569.79 and 189,768.96

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Solution

The fourth proportional to 333,012.60, 459,569.79 and 189,768.96 is: 261,888.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,012.60 : 459,569.79 = 189,768.96 : x
  2. Step 2: Convert to fraction form
    333,012.60/459,569.79 = 189,768.96/x
  3. Step 3: Cross multiply
    333,012.60x = 459,569.79 × 189,768.96
  4. Step 4: Simplify right side
    333,012.60x = 87,212,081,095.72
  5. Step 5: Solve for x
    x = 87,212,081,095.72/333,012.60
  6. Step 6: Final answer
    x = 261,888.23

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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.