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Finding the Fourth Proportional to 295,305.64, 407,516.10 and 161,170.60

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Solution

The fourth proportional to 295,305.64, 407,516.10 and 161,170.60 is: 222,412.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,305.64 : 407,516.10 = 161,170.60 : x
  2. Step 2: Convert to fraction form
    295,305.64/407,516.10 = 161,170.60/x
  3. Step 3: Cross multiply
    295,305.64x = 407,516.10 × 161,170.60
  4. Step 4: Simplify right side
    295,305.64x = 65,679,614,346.66
  5. Step 5: Solve for x
    x = 65,679,614,346.66/295,305.64
  6. Step 6: Final answer
    x = 222,412.33

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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.