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Finding the Fourth Proportional to 364,120.92, 544,781.70 and 221,940.41

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Solution

The fourth proportional to 364,120.92, 544,781.70 and 221,940.41 is: 332,057.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,120.92 : 544,781.70 = 221,940.41 : x
  2. Step 2: Convert to fraction form
    364,120.92/544,781.70 = 221,940.41/x
  3. Step 3: Cross multiply
    364,120.92x = 544,781.70 × 221,940.41
  4. Step 4: Simplify right side
    364,120.92x = 120,909,071,134.59
  5. Step 5: Solve for x
    x = 120,909,071,134.59/364,120.92
  6. Step 6: Final answer
    x = 332,057.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.