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Finding the Fourth Proportional to 368,363.30, 552,674.55 and 131,713.70

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Solution

The fourth proportional to 368,363.30, 552,674.55 and 131,713.70 is: 197,616.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,363.30 : 552,674.55 = 131,713.70 : x
  2. Step 2: Convert to fraction form
    368,363.30/552,674.55 = 131,713.70/x
  3. Step 3: Cross multiply
    368,363.30x = 552,674.55 × 131,713.70
  4. Step 4: Simplify right side
    368,363.30x = 72,794,809,876.34
  5. Step 5: Solve for x
    x = 72,794,809,876.34/368,363.30
  6. Step 6: Final answer
    x = 197,616.89

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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.