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Finding the Fourth Proportional to 247,383.90, 347,037.30 and 247,383.90

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Solution

The fourth proportional to 247,383.90, 347,037.30 and 247,383.90 is: 347,037.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,383.90 : 347,037.30 = 247,383.90 : x
  2. Step 2: Convert to fraction form
    247,383.90/347,037.30 = 247,383.90/x
  3. Step 3: Cross multiply
    247,383.90x = 347,037.30 × 247,383.90
  4. Step 4: Simplify right side
    247,383.90x = 85,851,440,719.47
  5. Step 5: Solve for x
    x = 85,851,440,719.47/247,383.90
  6. Step 6: Final answer
    x = 347,037.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.