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Finding the Fourth Proportional to 471,331.20, 706,987.23 and 116,348.30

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Solution

The fourth proportional to 471,331.20, 706,987.23 and 116,348.30 is: 174,520.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,331.20 : 706,987.23 = 116,348.30 : x
  2. Step 2: Convert to fraction form
    471,331.20/706,987.23 = 116,348.30/x
  3. Step 3: Cross multiply
    471,331.20x = 706,987.23 × 116,348.30
  4. Step 4: Simplify right side
    471,331.20x = 82,256,758,797.27
  5. Step 5: Solve for x
    x = 82,256,758,797.27/471,331.20
  6. Step 6: Final answer
    x = 174,520.08

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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.