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Finding the Fourth Proportional to 309,270.56, 426,215.43 and 241,179.68

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Solution

The fourth proportional to 309,270.56, 426,215.43 and 241,179.68 is: 332,377.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,270.56 : 426,215.43 = 241,179.68 : x
  2. Step 2: Convert to fraction form
    309,270.56/426,215.43 = 241,179.68/x
  3. Step 3: Cross multiply
    309,270.56x = 426,215.43 × 241,179.68
  4. Step 4: Simplify right side
    309,270.56x = 102,794,502,084.00
  5. Step 5: Solve for x
    x = 102,794,502,084.00/309,270.56
  6. Step 6: Final answer
    x = 332,377.27

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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.