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Finding the Fourth Proportional to 488,615.39, 733,020.86 and 168,778.93

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Solution

The fourth proportional to 488,615.39, 733,020.86 and 168,778.93 is: 253,202.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,615.39 : 733,020.86 = 168,778.93 : x
  2. Step 2: Convert to fraction form
    488,615.39/733,020.86 = 168,778.93/x
  3. Step 3: Cross multiply
    488,615.39x = 733,020.86 × 168,778.93
  4. Step 4: Simplify right side
    488,615.39x = 123,718,475,007.88
  5. Step 5: Solve for x
    x = 123,718,475,007.88/488,615.39
  6. Step 6: Final answer
    x = 253,202.16

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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.