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Finding the Fourth Proportional to 619,203.34, 928,805.82 and 169,930.36

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Solution

The fourth proportional to 619,203.34, 928,805.82 and 169,930.36 is: 254,895.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,203.34 : 928,805.82 = 169,930.36 : x
  2. Step 2: Convert to fraction form
    619,203.34/928,805.82 = 169,930.36/x
  3. Step 3: Cross multiply
    619,203.34x = 928,805.82 × 169,930.36
  4. Step 4: Simplify right side
    619,203.34x = 157,832,307,362.70
  5. Step 5: Solve for x
    x = 157,832,307,362.70/619,203.34
  6. Step 6: Final answer
    x = 254,895.76

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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.