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Finding the Fourth Proportional to 336,418.92, 504,713.52 and 111,780.54

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Solution

The fourth proportional to 336,418.92, 504,713.52 and 111,780.54 is: 167,699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,418.92 : 504,713.52 = 111,780.54 : x
  2. Step 2: Convert to fraction form
    336,418.92/504,713.52 = 111,780.54/x
  3. Step 3: Cross multiply
    336,418.92x = 504,713.52 × 111,780.54
  4. Step 4: Simplify right side
    336,418.92x = 56,417,149,810.90
  5. Step 5: Solve for x
    x = 56,417,149,810.90/336,418.92
  6. Step 6: Final answer
    x = 167,699.10

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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.