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Finding the Fourth Proportional to 353,449.46, 487,765.26 and 192,304.62

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Solution

The fourth proportional to 353,449.46, 487,765.26 and 192,304.62 is: 265,383.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,449.46 : 487,765.26 = 192,304.62 : x
  2. Step 2: Convert to fraction form
    353,449.46/487,765.26 = 192,304.62/x
  3. Step 3: Cross multiply
    353,449.46x = 487,765.26 × 192,304.62
  4. Step 4: Simplify right side
    353,449.46x = 93,799,512,973.50
  5. Step 5: Solve for x
    x = 93,799,512,973.50/353,449.46
  6. Step 6: Final answer
    x = 265,383.10

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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.