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Finding the Fourth Proportional to 353,755.36, 488,191.15 and 192,619.23

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Solution

The fourth proportional to 353,755.36, 488,191.15 and 192,619.23 is: 265,819.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,755.36 : 488,191.15 = 192,619.23 : x
  2. Step 2: Convert to fraction form
    353,755.36/488,191.15 = 192,619.23/x
  3. Step 3: Cross multiply
    353,755.36x = 488,191.15 × 192,619.23
  4. Step 4: Simplify right side
    353,755.36x = 94,035,000,732.39
  5. Step 5: Solve for x
    x = 94,035,000,732.39/353,755.36
  6. Step 6: Final answer
    x = 265,819.30

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1.5x scale

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.