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Finding the Fourth Proportional to 356,230.47, 491,599.62 and 195,086.64

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Solution

The fourth proportional to 356,230.47, 491,599.62 and 195,086.64 is: 269,220.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,230.47 : 491,599.62 = 195,086.64 : x
  2. Step 2: Convert to fraction form
    356,230.47/491,599.62 = 195,086.64/x
  3. Step 3: Cross multiply
    356,230.47x = 491,599.62 × 195,086.64
  4. Step 4: Simplify right side
    356,230.47x = 95,904,518,091.08
  5. Step 5: Solve for x
    x = 95,904,518,091.08/356,230.47
  6. Step 6: Final answer
    x = 269,220.42

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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.