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Finding the Fourth Proportional to 347,955.35, 522,015.94 and 123,335.41

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Solution

The fourth proportional to 347,955.35, 522,015.94 and 123,335.41 is: 185,032.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,955.35 : 522,015.94 = 123,335.41 : x
  2. Step 2: Convert to fraction form
    347,955.35/522,015.94 = 123,335.41/x
  3. Step 3: Cross multiply
    347,955.35x = 522,015.94 × 123,335.41
  4. Step 4: Simplify right side
    347,955.35x = 64,383,049,814.34
  5. Step 5: Solve for x
    x = 64,383,049,814.34/347,955.35
  6. Step 6: Final answer
    x = 185,032.51

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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.