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Finding the Fourth Proportional to 334,331.20, 501,561.60 and 168,119.20

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Solution

The fourth proportional to 334,331.20, 501,561.60 and 168,119.20 is: 252,211.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,331.20 : 501,561.60 = 168,119.20 : x
  2. Step 2: Convert to fraction form
    334,331.20/501,561.60 = 168,119.20/x
  3. Step 3: Cross multiply
    334,331.20x = 501,561.60 × 168,119.20
  4. Step 4: Simplify right side
    334,331.20x = 84,322,134,942.72
  5. Step 5: Solve for x
    x = 84,322,134,942.72/334,331.20
  6. Step 6: Final answer
    x = 252,211.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.