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Finding the Fourth Proportional to 318,153.39, 439,054.63 and 174,914.44

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Solution

The fourth proportional to 318,153.39, 439,054.63 and 174,914.44 is: 241,383.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,153.39 : 439,054.63 = 174,914.44 : x
  2. Step 2: Convert to fraction form
    318,153.39/439,054.63 = 174,914.44/x
  3. Step 3: Cross multiply
    318,153.39x = 439,054.63 × 174,914.44
  4. Step 4: Simplify right side
    318,153.39x = 76,796,993,200.93
  5. Step 5: Solve for x
    x = 76,796,993,200.93/318,153.39
  6. Step 6: Final answer
    x = 241,383.55

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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.