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Finding the Fourth Proportional to 613,613.96, 846,812.20 and 341,664.62

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Solution

The fourth proportional to 613,613.96, 846,812.20 and 341,664.62 is: 471,511.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,613.96 : 846,812.20 = 341,664.62 : x
  2. Step 2: Convert to fraction form
    613,613.96/846,812.20 = 341,664.62/x
  3. Step 3: Cross multiply
    613,613.96x = 846,812.20 × 341,664.62
  4. Step 4: Simplify right side
    613,613.96x = 289,325,764,290.30
  5. Step 5: Solve for x
    x = 289,325,764,290.30/613,613.96
  6. Step 6: Final answer
    x = 471,511.06

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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.