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Finding the Fourth Proportional to 353,987.36, 488,500.68 and 192,842.04

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Solution

The fourth proportional to 353,987.36, 488,500.68 and 192,842.04 is: 266,120.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,987.36 : 488,500.68 = 192,842.04 : x
  2. Step 2: Convert to fraction form
    353,987.36/488,500.68 = 192,842.04/x
  3. Step 3: Cross multiply
    353,987.36x = 488,500.68 × 192,842.04
  4. Step 4: Simplify right side
    353,987.36x = 94,203,467,672.59
  5. Step 5: Solve for x
    x = 94,203,467,672.59/353,987.36
  6. Step 6: Final answer
    x = 266,120.99

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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.