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Finding the Fourth Proportional to 352,613.11, 486,593.51 and 191,464.83

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Solution

The fourth proportional to 352,613.11, 486,593.51 and 191,464.83 is: 264,214.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,613.11 : 486,593.51 = 191,464.83 : x
  2. Step 2: Convert to fraction form
    352,613.11/486,593.51 = 191,464.83/x
  3. Step 3: Cross multiply
    352,613.11x = 486,593.51 × 191,464.83
  4. Step 4: Simplify right side
    352,613.11x = 93,165,543,671.25
  5. Step 5: Solve for x
    x = 93,165,543,671.25/352,613.11
  6. Step 6: Final answer
    x = 264,214.63

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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.