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Finding the Fourth Proportional to 368,383.14, 552,574.85 and 165,742.56

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Solution

The fourth proportional to 368,383.14, 552,574.85 and 165,742.56 is: 248,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,383.14 : 552,574.85 = 165,742.56 : x
  2. Step 2: Convert to fraction form
    368,383.14/552,574.85 = 165,742.56/x
  3. Step 3: Cross multiply
    368,383.14x = 552,574.85 × 165,742.56
  4. Step 4: Simplify right side
    368,383.14x = 91,585,169,401.90
  5. Step 5: Solve for x
    x = 91,585,169,401.90/368,383.14
  6. Step 6: Final answer
    x = 248,613.90

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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.