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Finding the Fourth Proportional to 546,974.44, 754,900.82 and 305,272.58

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Solution

The fourth proportional to 546,974.44, 754,900.82 and 305,272.58 is: 421,318.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,974.44 : 754,900.82 = 305,272.58 : x
  2. Step 2: Convert to fraction form
    546,974.44/754,900.82 = 305,272.58/x
  3. Step 3: Cross multiply
    546,974.44x = 754,900.82 × 305,272.58
  4. Step 4: Simplify right side
    546,974.44x = 230,450,520,965.52
  5. Step 5: Solve for x
    x = 230,450,520,965.52/546,974.44
  6. Step 6: Final answer
    x = 421,318.63

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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.