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Finding the Fourth Proportional to 344,874.34, 517,333.38 and 108,226.36

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Solution

The fourth proportional to 344,874.34, 517,333.38 and 108,226.36 is: 162,346.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,874.34 : 517,333.38 = 108,226.36 : x
  2. Step 2: Convert to fraction form
    344,874.34/517,333.38 = 108,226.36/x
  3. Step 3: Cross multiply
    344,874.34x = 517,333.38 × 108,226.36
  4. Step 4: Simplify right side
    344,874.34x = 55,989,108,623.90
  5. Step 5: Solve for x
    x = 55,989,108,623.90/344,874.34
  6. Step 6: Final answer
    x = 162,346.40

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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.