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Finding the Fourth Proportional to 613,321.60, 846,383.72 and 341,383.64

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Solution

The fourth proportional to 613,321.60, 846,383.72 and 341,383.64 is: 471,109.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,321.60 : 846,383.72 = 341,383.64 : x
  2. Step 2: Convert to fraction form
    613,321.60/846,383.72 = 341,383.64/x
  3. Step 3: Cross multiply
    613,321.60x = 846,383.72 × 341,383.64
  4. Step 4: Simplify right side
    613,321.60x = 288,941,555,170.34
  5. Step 5: Solve for x
    x = 288,941,555,170.34/613,321.60
  6. Step 6: Final answer
    x = 471,109.37

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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.