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Finding the Fourth Proportional to 353,630.70, 488,023.25 and 192,477.96

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Solution

The fourth proportional to 353,630.70, 488,023.25 and 192,477.96 is: 265,626.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,630.70 : 488,023.25 = 192,477.96 : x
  2. Step 2: Convert to fraction form
    353,630.70/488,023.25 = 192,477.96/x
  3. Step 3: Cross multiply
    353,630.70x = 488,023.25 × 192,477.96
  4. Step 4: Simplify right side
    353,630.70x = 93,933,718,630.18
  5. Step 5: Solve for x
    x = 93,933,718,630.18/353,630.70
  6. Step 6: Final answer
    x = 265,626.59

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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.