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Finding the Fourth Proportional to 344,876.80, 517,164.40 and 173,993.38

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Solution

The fourth proportional to 344,876.80, 517,164.40 and 173,993.38 is: 260,913.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,876.80 : 517,164.40 = 173,993.38 : x
  2. Step 2: Convert to fraction form
    344,876.80/517,164.40 = 173,993.38/x
  3. Step 3: Cross multiply
    344,876.80x = 517,164.40 × 173,993.38
  4. Step 4: Simplify right side
    344,876.80x = 89,983,182,288.88
  5. Step 5: Solve for x
    x = 89,983,182,288.88/344,876.80
  6. Step 6: Final answer
    x = 260,913.99

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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.