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Finding the Fourth Proportional to 354,334.57, 531,808.94 and 185,973.82

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Solution

The fourth proportional to 354,334.57, 531,808.94 and 185,973.82 is: 279,121.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,334.57 : 531,808.94 = 185,973.82 : x
  2. Step 2: Convert to fraction form
    354,334.57/531,808.94 = 185,973.82/x
  3. Step 3: Cross multiply
    354,334.57x = 531,808.94 × 185,973.82
  4. Step 4: Simplify right side
    354,334.57x = 98,902,540,081.95
  5. Step 5: Solve for x
    x = 98,902,540,081.95/354,334.57
  6. Step 6: Final answer
    x = 279,121.90

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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.