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Finding the Fourth Proportional to 375,742.60, 563,493.61 and 122,954.56

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Solution

The fourth proportional to 375,742.60, 563,493.61 and 122,954.56 is: 184,392.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,742.60 : 563,493.61 = 122,954.56 : x
  2. Step 2: Convert to fraction form
    375,742.60/563,493.61 = 122,954.56/x
  3. Step 3: Cross multiply
    375,742.60x = 563,493.61 × 122,954.56
  4. Step 4: Simplify right side
    375,742.60x = 69,284,107,625.32
  5. Step 5: Solve for x
    x = 69,284,107,625.32/375,742.60
  6. Step 6: Final answer
    x = 184,392.48

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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.