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Finding the Fourth Proportional to 382,216.20, 573,324.30 and 115,963.80

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Solution

The fourth proportional to 382,216.20, 573,324.30 and 115,963.80 is: 173,945.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,216.20 : 573,324.30 = 115,963.80 : x
  2. Step 2: Convert to fraction form
    382,216.20/573,324.30 = 115,963.80/x
  3. Step 3: Cross multiply
    382,216.20x = 573,324.30 × 115,963.80
  4. Step 4: Simplify right side
    382,216.20x = 66,484,864,460.34
  5. Step 5: Solve for x
    x = 66,484,864,460.34/382,216.20
  6. Step 6: Final answer
    x = 173,945.70

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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.