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Finding the Fourth Proportional to 548,556.86, 822,667.54 and 193,487.84

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Solution

The fourth proportional to 548,556.86, 822,667.54 and 193,487.84 is: 290,172.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,556.86 : 822,667.54 = 193,487.84 : x
  2. Step 2: Convert to fraction form
    548,556.86/822,667.54 = 193,487.84/x
  3. Step 3: Cross multiply
    548,556.86x = 822,667.54 × 193,487.84
  4. Step 4: Simplify right side
    548,556.86x = 159,176,164,203.45
  5. Step 5: Solve for x
    x = 159,176,164,203.45/548,556.86
  6. Step 6: Final answer
    x = 290,172.59

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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.