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Finding the Fourth Proportional to 347,838.60, 488,023.80 and 347,838.60

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Solution

The fourth proportional to 347,838.60, 488,023.80 and 347,838.60 is: 488,023.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,838.60 : 488,023.80 = 347,838.60 : x
  2. Step 2: Convert to fraction form
    347,838.60/488,023.80 = 347,838.60/x
  3. Step 3: Cross multiply
    347,838.60x = 488,023.80 × 347,838.60
  4. Step 4: Simplify right side
    347,838.60x = 169,753,515,358.68
  5. Step 5: Solve for x
    x = 169,753,515,358.68/347,838.60
  6. Step 6: Final answer
    x = 488,023.80

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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.