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Finding the Fourth Proportional to 273,783.18, 410,873.49 and 155,553.42

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Solution

The fourth proportional to 273,783.18, 410,873.49 and 155,553.42 is: 233,443.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,783.18 : 410,873.49 = 155,553.42 : x
  2. Step 2: Convert to fraction form
    273,783.18/410,873.49 = 155,553.42/x
  3. Step 3: Cross multiply
    273,783.18x = 410,873.49 × 155,553.42
  4. Step 4: Simplify right side
    273,783.18x = 63,912,776,556.84
  5. Step 5: Solve for x
    x = 63,912,776,556.84/273,783.18
  6. Step 6: Final answer
    x = 233,443.04

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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.