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Finding the Fourth Proportional to 272,984.40, 409,476.60 and 234,930.60

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Solution

The fourth proportional to 272,984.40, 409,476.60 and 234,930.60 is: 352,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,984.40 : 409,476.60 = 234,930.60 : x
  2. Step 2: Convert to fraction form
    272,984.40/409,476.60 = 234,930.60/x
  3. Step 3: Cross multiply
    272,984.40x = 409,476.60 × 234,930.60
  4. Step 4: Simplify right side
    272,984.40x = 96,198,583,323.96
  5. Step 5: Solve for x
    x = 96,198,583,323.96/272,984.40
  6. Step 6: Final answer
    x = 352,395.90

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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.