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Finding the Fourth Proportional to 613,041.33, 919,694.34 and 186,610.50

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Solution

The fourth proportional to 613,041.33, 919,694.34 and 186,610.50 is: 279,956.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,041.33 : 919,694.34 = 186,610.50 : x
  2. Step 2: Convert to fraction form
    613,041.33/919,694.34 = 186,610.50/x
  3. Step 3: Cross multiply
    613,041.33x = 919,694.34 × 186,610.50
  4. Step 4: Simplify right side
    613,041.33x = 171,624,620,634.57
  5. Step 5: Solve for x
    x = 171,624,620,634.57/613,041.33
  6. Step 6: Final answer
    x = 279,956.04

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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.