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Finding the Fourth Proportional to 368,350, 552,525.16 and 165,709.42

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Solution

The fourth proportional to 368,350, 552,525.16 and 165,709.42 is: 248,564.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,350 : 552,525.16 = 165,709.42 : x
  2. Step 2: Convert to fraction form
    368,350/552,525.16 = 165,709.42/x
  3. Step 3: Cross multiply
    368,350x = 552,525.16 × 165,709.42
  4. Step 4: Simplify right side
    368,350x = 91,558,623,799.01
  5. Step 5: Solve for x
    x = 91,558,623,799.01/368,350
  6. Step 6: Final answer
    x = 248,564.20

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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.