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Finding the Fourth Proportional to 493,013.79, 739,446.48 and 156,010.59

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Solution

The fourth proportional to 493,013.79, 739,446.48 and 156,010.59 is: 233,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,013.79 : 739,446.48 = 156,010.59 : x
  2. Step 2: Convert to fraction form
    493,013.79/739,446.48 = 156,010.59/x
  3. Step 3: Cross multiply
    493,013.79x = 739,446.48 × 156,010.59
  4. Step 4: Simplify right side
    493,013.79x = 115,361,481,618.22
  5. Step 5: Solve for x
    x = 115,361,481,618.22/493,013.79
  6. Step 6: Final answer
    x = 233,992.40

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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.