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Finding the Fourth Proportional to 351,613.16, 485,228.49 and 190,468.22

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Solution

The fourth proportional to 351,613.16, 485,228.49 and 190,468.22 is: 262,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,613.16 : 485,228.49 = 190,468.22 : x
  2. Step 2: Convert to fraction form
    351,613.16/485,228.49 = 190,468.22/x
  3. Step 3: Cross multiply
    351,613.16x = 485,228.49 × 190,468.22
  4. Step 4: Simplify right side
    351,613.16x = 92,420,604,357.45
  5. Step 5: Solve for x
    x = 92,420,604,357.45/351,613.16
  6. Step 6: Final answer
    x = 262,847.40

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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.