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Finding the Fourth Proportional to 336,042.62, 504,009.26 and 136,354.94

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Solution

The fourth proportional to 336,042.62, 504,009.26 and 136,354.94 is: 204,510.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,042.62 : 504,009.26 = 136,354.94 : x
  2. Step 2: Convert to fraction form
    336,042.62/504,009.26 = 136,354.94/x
  3. Step 3: Cross multiply
    336,042.62x = 504,009.26 × 136,354.94
  4. Step 4: Simplify right side
    336,042.62x = 68,724,151,724.97
  5. Step 5: Solve for x
    x = 68,724,151,724.97/336,042.62
  6. Step 6: Final answer
    x = 204,510.22

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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.