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Finding the Fourth Proportional to 555,116.40, 832,469.80 and 181,151.60

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Solution

The fourth proportional to 555,116.40, 832,469.80 and 181,151.60 is: 271,660.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,116.40 : 832,469.80 = 181,151.60 : x
  2. Step 2: Convert to fraction form
    555,116.40/832,469.80 = 181,151.60/x
  3. Step 3: Cross multiply
    555,116.40x = 832,469.80 × 181,151.60
  4. Step 4: Simplify right side
    555,116.40x = 150,803,236,221.68
  5. Step 5: Solve for x
    x = 150,803,236,221.68/555,116.40
  6. Step 6: Final answer
    x = 271,660.57

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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.