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Finding the Fourth Proportional to 516,051.54, 773,671.70 and 326,112.41

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Solution

The fourth proportional to 516,051.54, 773,671.70 and 326,112.41 is: 488,912.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,051.54 : 773,671.70 = 326,112.41 : x
  2. Step 2: Convert to fraction form
    516,051.54/773,671.70 = 326,112.41/x
  3. Step 3: Cross multiply
    516,051.54x = 773,671.70 × 326,112.41
  4. Step 4: Simplify right side
    516,051.54x = 252,303,945,385.26
  5. Step 5: Solve for x
    x = 252,303,945,385.26/516,051.54
  6. Step 6: Final answer
    x = 488,912.30

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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.