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Finding the Fourth Proportional to 368,642.68, 552,944.58 and 181,591

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Solution

The fourth proportional to 368,642.68, 552,944.58 and 181,591 is: 272,376.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,642.68 : 552,944.58 = 181,591 : x
  2. Step 2: Convert to fraction form
    368,642.68/552,944.58 = 181,591/x
  3. Step 3: Cross multiply
    368,642.68x = 552,944.58 × 181,591
  4. Step 4: Simplify right side
    368,642.68x = 100,409,759,226.78
  5. Step 5: Solve for x
    x = 100,409,759,226.78/368,642.68
  6. Step 6: Final answer
    x = 272,376.92

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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.