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Finding the Fourth Proportional to 270,536.38, 373,459.78 and 161,679.12

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Solution

The fourth proportional to 270,536.38, 373,459.78 and 161,679.12 is: 223,188.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,536.38 : 373,459.78 = 161,679.12 : x
  2. Step 2: Convert to fraction form
    270,536.38/373,459.78 = 161,679.12/x
  3. Step 3: Cross multiply
    270,536.38x = 373,459.78 × 161,679.12
  4. Step 4: Simplify right side
    270,536.38x = 60,380,648,585.79
  5. Step 5: Solve for x
    x = 60,380,648,585.79/270,536.38
  6. Step 6: Final answer
    x = 223,188.65

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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.