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Finding the Fourth Proportional to 619,208.62, 928,830.70 and 169,933.22

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Solution

The fourth proportional to 619,208.62, 928,830.70 and 169,933.22 is: 254,904.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,208.62 : 928,830.70 = 169,933.22 : x
  2. Step 2: Convert to fraction form
    619,208.62/928,830.70 = 169,933.22/x
  3. Step 3: Cross multiply
    619,208.62x = 928,830.70 × 169,933.22
  4. Step 4: Simplify right side
    619,208.62x = 157,839,191,685.85
  5. Step 5: Solve for x
    x = 157,839,191,685.85/619,208.62
  6. Step 6: Final answer
    x = 254,904.71

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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.