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Finding the Fourth Proportional to 354,042.29, 488,572.19 and 192,898.51

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Solution

The fourth proportional to 354,042.29, 488,572.19 and 192,898.51 is: 266,196.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,042.29 : 488,572.19 = 192,898.51 : x
  2. Step 2: Convert to fraction form
    354,042.29/488,572.19 = 192,898.51/x
  3. Step 3: Cross multiply
    354,042.29x = 488,572.19 × 192,898.51
  4. Step 4: Simplify right side
    354,042.29x = 94,244,846,015.88
  5. Step 5: Solve for x
    x = 94,244,846,015.88/354,042.29
  6. Step 6: Final answer
    x = 266,196.58

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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.