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Finding the Fourth Proportional to 344,877.09, 517,164.82 and 173,993.66

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Solution

The fourth proportional to 344,877.09, 517,164.82 and 173,993.66 is: 260,914.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,877.09 : 517,164.82 = 173,993.66 : x
  2. Step 2: Convert to fraction form
    344,877.09/517,164.82 = 173,993.66/x
  3. Step 3: Cross multiply
    344,877.09x = 517,164.82 × 173,993.66
  4. Step 4: Simplify right side
    344,877.09x = 89,983,399,855.04
  5. Step 5: Solve for x
    x = 89,983,399,855.04/344,877.09
  6. Step 6: Final answer
    x = 260,914.40

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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.