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Finding the Fourth Proportional to 412,850.12, 619,275.78 and 113,334.39

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Solution

The fourth proportional to 412,850.12, 619,275.78 and 113,334.39 is: 170,001.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,850.12 : 619,275.78 = 113,334.39 : x
  2. Step 2: Convert to fraction form
    412,850.12/619,275.78 = 113,334.39/x
  3. Step 3: Cross multiply
    412,850.12x = 619,275.78 × 113,334.39
  4. Step 4: Simplify right side
    412,850.12x = 70,185,242,768.07
  5. Step 5: Solve for x
    x = 70,185,242,768.07/412,850.12
  6. Step 6: Final answer
    x = 170,001.75

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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.