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Finding the Fourth Proportional to 362,806.44, 500,651.28 and 201,655.86

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Solution

The fourth proportional to 362,806.44, 500,651.28 and 201,655.86 is: 278,273.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,806.44 : 500,651.28 = 201,655.86 : x
  2. Step 2: Convert to fraction form
    362,806.44/500,651.28 = 201,655.86/x
  3. Step 3: Cross multiply
    362,806.44x = 500,651.28 × 201,655.86
  4. Step 4: Simplify right side
    362,806.44x = 100,959,264,428.50
  5. Step 5: Solve for x
    x = 100,959,264,428.50/362,806.44
  6. Step 6: Final answer
    x = 278,273.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.