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Finding the Fourth Proportional to 336,039.20, 504,058.80 and 168,077.60

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Solution

The fourth proportional to 336,039.20, 504,058.80 and 168,077.60 is: 252,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,039.20 : 504,058.80 = 168,077.60 : x
  2. Step 2: Convert to fraction form
    336,039.20/504,058.80 = 168,077.60/x
  3. Step 3: Cross multiply
    336,039.20x = 504,058.80 × 168,077.60
  4. Step 4: Simplify right side
    336,039.20x = 84,720,993,362.88
  5. Step 5: Solve for x
    x = 84,720,993,362.88/336,039.20
  6. Step 6: Final answer
    x = 252,116.40

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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.