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Finding the Fourth Proportional to 546,910.58, 754,735.22 and 305,190.59

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Solution

The fourth proportional to 546,910.58, 754,735.22 and 305,190.59 is: 421,162.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,910.58 : 754,735.22 = 305,190.59 : x
  2. Step 2: Convert to fraction form
    546,910.58/754,735.22 = 305,190.59/x
  3. Step 3: Cross multiply
    546,910.58x = 754,735.22 × 305,190.59
  4. Step 4: Simplify right side
    546,910.58x = 230,338,082,930.42
  5. Step 5: Solve for x
    x = 230,338,082,930.42/546,910.58
  6. Step 6: Final answer
    x = 421,162.23

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1.5x scale

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.