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Finding the Fourth Proportional to 546,992.28, 754,850.04 and 305,274.84

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Solution

The fourth proportional to 546,992.28, 754,850.04 and 305,274.84 is: 421,279.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,992.28 : 754,850.04 = 305,274.84 : x
  2. Step 2: Convert to fraction form
    546,992.28/754,850.04 = 305,274.84/x
  3. Step 3: Cross multiply
    546,992.28x = 754,850.04 × 305,274.84
  4. Step 4: Simplify right side
    546,992.28x = 230,436,725,184.99
  5. Step 5: Solve for x
    x = 230,436,725,184.99/546,992.28
  6. Step 6: Final answer
    x = 421,279.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.