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Finding the Fourth Proportional to 546,768.91, 754,562.97 and 305,072.59

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Solution

The fourth proportional to 546,768.91, 754,562.97 and 305,072.59 is: 421,012.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,768.91 : 754,562.97 = 305,072.59 : x
  2. Step 2: Convert to fraction form
    546,768.91/754,562.97 = 305,072.59/x
  3. Step 3: Cross multiply
    546,768.91x = 754,562.97 × 305,072.59
  4. Step 4: Simplify right side
    546,768.91x = 230,196,479,575.99
  5. Step 5: Solve for x
    x = 230,196,479,575.99/546,768.91
  6. Step 6: Final answer
    x = 421,012.38

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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.