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Finding the Fourth Proportional to 311,575.36, 467,538 and 124,601.44

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Solution

The fourth proportional to 311,575.36, 467,538 and 124,601.44 is: 186,972.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,575.36 : 467,538 = 124,601.44 : x
  2. Step 2: Convert to fraction form
    311,575.36/467,538 = 124,601.44/x
  3. Step 3: Cross multiply
    311,575.36x = 467,538 × 124,601.44
  4. Step 4: Simplify right side
    311,575.36x = 58,255,908,054.72
  5. Step 5: Solve for x
    x = 58,255,908,054.72/311,575.36
  6. Step 6: Final answer
    x = 186,972.13

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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.