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Finding the Fourth Proportional to 336,431.55, 504,693.77 and 123,171.51

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Solution

The fourth proportional to 336,431.55, 504,693.77 and 123,171.51 is: 184,774.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,431.55 : 504,693.77 = 123,171.51 : x
  2. Step 2: Convert to fraction form
    336,431.55/504,693.77 = 123,171.51/x
  3. Step 3: Cross multiply
    336,431.55x = 504,693.77 × 123,171.51
  4. Step 4: Simplify right side
    336,431.55x = 62,163,893,122.64
  5. Step 5: Solve for x
    x = 62,163,893,122.64/336,431.55
  6. Step 6: Final answer
    x = 184,774.27

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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.