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Finding the Fourth Proportional to 351,613.23, 485,228.57 and 190,468.27

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Solution

The fourth proportional to 351,613.23, 485,228.57 and 190,468.27 is: 262,847.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,613.23 : 485,228.57 = 190,468.27 : x
  2. Step 2: Convert to fraction form
    351,613.23/485,228.57 = 190,468.27/x
  3. Step 3: Cross multiply
    351,613.23x = 485,228.57 × 190,468.27
  4. Step 4: Simplify right side
    351,613.23x = 92,420,646,282.47
  5. Step 5: Solve for x
    x = 92,420,646,282.47/351,613.23
  6. Step 6: Final answer
    x = 262,847.47

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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.