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Finding the Fourth Proportional to 336,992.81, 505,239.52 and 159,292.17

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Solution

The fourth proportional to 336,992.81, 505,239.52 and 159,292.17 is: 238,820.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,992.81 : 505,239.52 = 159,292.17 : x
  2. Step 2: Convert to fraction form
    336,992.81/505,239.52 = 159,292.17/x
  3. Step 3: Cross multiply
    336,992.81x = 505,239.52 × 159,292.17
  4. Step 4: Simplify right side
    336,992.81x = 80,480,699,510.56
  5. Step 5: Solve for x
    x = 80,480,699,510.56/336,992.81
  6. Step 6: Final answer
    x = 238,820.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.