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Finding the Fourth Proportional to 336,012.80, 504,062.40 and 167,619.20

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Solution

The fourth proportional to 336,012.80, 504,062.40 and 167,619.20 is: 251,450.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,012.80 : 504,062.40 = 167,619.20 : x
  2. Step 2: Convert to fraction form
    336,012.80/504,062.40 = 167,619.20/x
  3. Step 3: Cross multiply
    336,012.80x = 504,062.40 × 167,619.20
  4. Step 4: Simplify right side
    336,012.80x = 84,490,536,238.08
  5. Step 5: Solve for x
    x = 84,490,536,238.08/336,012.80
  6. Step 6: Final answer
    x = 251,450.35

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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.