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Finding the Fourth Proportional to 426,138.18, 588,103.88 and 244,913.34

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Solution

The fourth proportional to 426,138.18, 588,103.88 and 244,913.34 is: 337,999.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,138.18 : 588,103.88 = 244,913.34 : x
  2. Step 2: Convert to fraction form
    426,138.18/588,103.88 = 244,913.34/x
  3. Step 3: Cross multiply
    426,138.18x = 588,103.88 × 244,913.34
  4. Step 4: Simplify right side
    426,138.18x = 144,034,485,517.76
  5. Step 5: Solve for x
    x = 144,034,485,517.76/426,138.18
  6. Step 6: Final answer
    x = 337,999.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.