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Finding the Fourth Proportional to 344,845.74, 517,268.90 and 164,888.82

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Solution

The fourth proportional to 344,845.74, 517,268.90 and 164,888.82 is: 247,333.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,845.74 : 517,268.90 = 164,888.82 : x
  2. Step 2: Convert to fraction form
    344,845.74/517,268.90 = 164,888.82/x
  3. Step 3: Cross multiply
    344,845.74x = 517,268.90 × 164,888.82
  4. Step 4: Simplify right side
    344,845.74x = 85,291,860,143.95
  5. Step 5: Solve for x
    x = 85,291,860,143.95/344,845.74
  6. Step 6: Final answer
    x = 247,333.37

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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.