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Finding the Fourth Proportional to 259,671.50, 389,507.24 and 62,679.50

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Solution

The fourth proportional to 259,671.50, 389,507.24 and 62,679.50 is: 94,019.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,671.50 : 389,507.24 = 62,679.50 : x
  2. Step 2: Convert to fraction form
    259,671.50/389,507.24 = 62,679.50/x
  3. Step 3: Cross multiply
    259,671.50x = 389,507.24 × 62,679.50
  4. Step 4: Simplify right side
    259,671.50x = 24,414,119,049.58
  5. Step 5: Solve for x
    x = 24,414,119,049.58/259,671.50
  6. Step 6: Final answer
    x = 94,019.25

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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.