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Finding the Fourth Proportional to 338,440.56, 507,724.92 and 136,052.34

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Solution

The fourth proportional to 338,440.56, 507,724.92 and 136,052.34 is: 204,104.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,440.56 : 507,724.92 = 136,052.34 : x
  2. Step 2: Convert to fraction form
    338,440.56/507,724.92 = 136,052.34/x
  3. Step 3: Cross multiply
    338,440.56x = 507,724.92 × 136,052.34
  4. Step 4: Simplify right side
    338,440.56x = 69,077,163,442.31
  5. Step 5: Solve for x
    x = 69,077,163,442.31/338,440.56
  6. Step 6: Final answer
    x = 204,104.27

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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.