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Finding the Fourth Proportional to 356,304.60, 491,700.24 and 195,169.68

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Solution

The fourth proportional to 356,304.60, 491,700.24 and 195,169.68 is: 269,334.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,304.60 : 491,700.24 = 195,169.68 : x
  2. Step 2: Convert to fraction form
    356,304.60/491,700.24 = 195,169.68/x
  3. Step 3: Cross multiply
    356,304.60x = 491,700.24 × 195,169.68
  4. Step 4: Simplify right side
    356,304.60x = 95,964,978,496.72
  5. Step 5: Solve for x
    x = 95,964,978,496.72/356,304.60
  6. Step 6: Final answer
    x = 269,334.10

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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.