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Finding the Fourth Proportional to 353,894.58, 488,372.02 and 192,749.13

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Solution

The fourth proportional to 353,894.58, 488,372.02 and 192,749.13 is: 265,992.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,894.58 : 488,372.02 = 192,749.13 : x
  2. Step 2: Convert to fraction form
    353,894.58/488,372.02 = 192,749.13/x
  3. Step 3: Cross multiply
    353,894.58x = 488,372.02 × 192,749.13
  4. Step 4: Simplify right side
    353,894.58x = 94,133,281,489.47
  5. Step 5: Solve for x
    x = 94,133,281,489.47/353,894.58
  6. Step 6: Final answer
    x = 265,992.44

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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.