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Finding the Fourth Proportional to 368,353.95, 552,531.08 and 165,713.37

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Solution

The fourth proportional to 368,353.95, 552,531.08 and 165,713.37 is: 248,570.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,353.95 : 552,531.08 = 165,713.37 : x
  2. Step 2: Convert to fraction form
    368,353.95/552,531.08 = 165,713.37/x
  3. Step 3: Cross multiply
    368,353.95x = 552,531.08 × 165,713.37
  4. Step 4: Simplify right side
    368,353.95x = 91,561,787,296.54
  5. Step 5: Solve for x
    x = 91,561,787,296.54/368,353.95
  6. Step 6: Final answer
    x = 248,570.12

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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.