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Finding the Fourth Proportional to 338,440.44, 507,427.38 and 160,797.72

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Solution

The fourth proportional to 338,440.44, 507,427.38 and 160,797.72 is: 241,085.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,440.44 : 507,427.38 = 160,797.72 : x
  2. Step 2: Convert to fraction form
    338,440.44/507,427.38 = 160,797.72/x
  3. Step 3: Cross multiply
    338,440.44x = 507,427.38 × 160,797.72
  4. Step 4: Simplify right side
    338,440.44x = 81,593,165,769.57
  5. Step 5: Solve for x
    x = 81,593,165,769.57/338,440.44
  6. Step 6: Final answer
    x = 241,085.75

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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.